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Land Use Change, 1970's


This is an archived data product. It does not reflect the current ERS work program. For current data products see the data section.

Land Use Change, 1970's: documentation

Any contact information shown below may be outdated.

See the product introduction to download this data set.

Land Use Change, 1970's    (Update 7/88, archived 9/97)  Stock #88018
Economic Research Service, United States Department of Agriculture
************************************************************************

Note:  Data distributed with this product may include both published and
unpublished statistics in the public domain.  Distribution in this form
does not imply U.S. Department of Agriculture approval of a particular
data series or statistic, nor does the Department attest to their
accuracy.  Moreover, the Economic Research Service makes no warranty
that data supplied in this form are either accurate transcriptions from
source materials or appropriate for a particular user purpose.

For comments or further information contact:
                    Vesterby, Marlow--VESTERBY@econ.ag.gov  

Or contact the ERS Information Center at:    Phone: 202-694-5050
                                             e-mail:service@econ.ag.gov/ 

The ERS Information Center is the principal point of contact to respond to
customer questions regarding ERS products and services. The ERS Information
Center operates Monday through Friday from 8 a.m. to 5 p.m., except Federal
holidays. Staff answering the phones are trained to provide quality customer
service. 

************************************************************************         

Land use change data originates from photointerpretation of over 21,000
sample points paired to two dates of photography for the early 1970s and the
early 1980s.  Additional sample points were coded for Federal land, but were
not photointerpreted.  Earth Satellite Corporation completed the
photointerpretation project, March 1988, under contract with the Economic
Research Service (ERS).  For study methods and data collection procedures
see:

     Vesterby, Marlow.  Land Use Change in Fast-Growth Counties:  Analysis of
Study Methods.  Staff Report No. AGES880510.  Economic Research Service,
U.S. Department of Agriculture.  1988.

Data for four regions are available on 3.5" disks:
          1. East and North Central
          2. Southeast
          3. West
          4. Pacific States

Regions have been combined together on 2-3.5" disks.  Disks have d-BASE III 
as thestandard format, but these files can be translated into LOTUS 1-2-3,
Symphony, and other spreadsheet or data base management programs.


README FILE -- East and North Central Region

These files contain data on land use change for the decade of the
1970s for 39 areas (36 counties and 3 Virginia independent cities) in the
East and North Central region in the United States.  Areas include those
experiencing rapid population growth in the 1970s (fast growth, type FG),
those that had large losses of cropland accompanied by moderate population
growth (cropland loss, type CL), and those that gained substantial amounts
of cropland accompanied by population growth (cropland gain, type CG).  (See
attachment 1).

File names for thIS region are: 
     EAST.DBF, NORH_CNT.DBF (eastern and north central US)  

     Counties are listed by FIPS code.  For example,
     Howard County, Maryland, is 24027 (attachment 2).  

Column codes are:
STATE  - State FIPS code                 COUNTY - County FIPS code
MCDCCD - Census Division                 EUSE   - Early use (see codes below)
LUSE   - Late use (see codes below)      SCS    - Soil Mapping Unit code
EYEAR  - Date of early photo             LYEAR  - Date of late photo
AC/PT  - Average acres per sample point

Photos and maps, containing sample points, are on file at ERS.  Land use
codes, for columns labeled EUSE and LUSE, are:

    Code    Use                                   Code   Use
    11 Residential                                40 Forest
    12 Commercial and Industrial                  50 Water < 40 acres
    14 Transportation, Communication, Utilities   60 Wetland
    16 Mixed Urban                                70 Barren
    21 Cropland and pasture                       76 Land in Transition
    22 Orchards and Horticultural                 CC Cloud Cover
    23 Confined Feeding and other Agricultural    WC Water Cover > 40 acres
    30 Range                                      PC Photo Coverage Missing
    31 Brushy Pasture                             FL Federal Land
                                                  Unknown/Miscoded

Soil mapping units, for the column labeled "SCS," are present only where
land use has changed from or to cropland and pasture. Soil interpretation
codes are available from Soil Survey Reports for each county from the Soil
Conservation Service, U.S. Department of Agriculture.

Sample sizes are too small to provide reliable information at the county
level.  Combining counties for a total of 5,000 or more sample points would
ordinarily provide reliable information on most land use classes.  Similar
computerized data on land use change for the decade of the 1960s is available
from ERS.

    Attachment 1--Counties in Land Use Change Study, 1970-1980
_________________________________________________________________________
 REGION 1--EAST AND NORTH CENTRAL (2 files)
 FIPS  ST County              Type       FIPS  ST County              Type
_________________________________________________________________________

 17043 IL Du Page              FG        29037 MO Cass                 CL
 17055 IL Franklin             CG        29099 MO Jefferson            FG
 17111 IL McHenry              FG        29113 MO Lincoln              CL
 17197 IL Will                 FG        29183 MO St. Charles          FG
 18057 IN Hamilton             FG        33015 NH Rockingham           FG
 18127 IN Porter               FG        34029 NJ Ocean                FG
 21035 KY Calloway             CG        34037 NJ Sussex               FG
 21227 KY Warren               CL        36091 NY Saratoga             FG
 23031 ME York                 FG        38015 ND Burleigh             CL
 24013 MD Carroll              FG        39001 OH Adams                CL
 24017 MD Charles              FG        39025 OH Clermont             FG
 24021 MD Frederick            FG        39103 OH Medina               FG
 24025 MD Harford              FG        51041 VA Chesterfield         FG
 24027 MD Howard               FG        51059 VA Fairfax              FG
 25001 MA Barnstable           FG        51153 VA Prince William       FG
 26093 MI Livingston           FG        51600 VA Fairfax City         FG
 27003 MN Anoka                FG        51683 VA Manassas City        FG
 27037 MN Dakota               FG        51810 VA Virginia Beach City  FG
 27041 MN Douglas              CL        27067 MN Kandiyohi            CL
 27163 MN Washington           FG
                                         Total                   39
_________________________________________________________________________


    Attachment 2--Example of county data, Howard County, Maryland
_________________________________________________________________________

     STATE COUNTY MCDCCD EUSE   LUSE   SCS  EYEAR LYEAR  AC/PT
        24     27      5 11     11             72     81   4868
        24     27     10 11     11             72     81
        24     27      5 11     11             72     81
        24     27      5 40     40             72     81
        24     27     30 21     21             72     81
        24     27     30 76     11             72     81
        24     27     10 76     12             72     81
        24     27     10 21     21             73     81
        24     27     10 40     40             73     81
        24     27     10 21     11      ChA    73     81
        24     27     10 21     21             73     81
        24     27     15 40     40             73     81
        24     27     25 16     16             73     81
        24     27     25 21     30      BrB2   72     81
        24     27     25 12     12             72     81
        24     27     30 40     40             72     81
        24     27     25 40     40             72     81
        24     27     25 21     21             72     81
        24     27     25 30     11             73     81
        24     27     15 21     21             73     81
        24     27     15 21     21             73     81
        24     27     15 40     40             73     81
        24     27     25 40     40             73     81
        24     27     25 21     21             72     81
        24     27     25 40     40             72     81
        24     27     25 21     21             72     81
        24     27     25 22     11      AgC2   73     81
        24     27     20 40     40             73     81
        24     27     20 21     21             73     81
        24     27     20 21     21             73     81
        24     27     20 21     21             73     81
        24     27     20 21     21             73     81
        24     27     20 40     40             73     81
                                                    

README FILE -- Southeast Region

These files contain data on land use change for the decade of the
1970s for 97 counties in the Southeast region in the United States.  Areas
include those experiencing rapid population growth in the 1970s (fast growth,
type FG), one case study county (CS), those that had large losses of cropland
accompanied by moderate population growth (cropland loss, type CL), and those
that gained substantial amounts of cropland accompanied by population growth
(cropland gain, type CG).  (See attachment 3).

Files for this region include: 
  TEX_A-F.DBF, TEX_G-W.DBF, AR&OK.DBF (Texas, Arkansas Oklahoma counties),
  FLA_S.DBF, SE_COAST.DBF, and GULF.DBF, (Florida, SE Atlantic and Gulf 
coasts

Counties are listed by FIPS code. For example, Brazos County TX, is 48041
 (attachment 4).

     Attachment 3--Counties in Land Use Change Study, 1970-1980
____________________________________________________________________________
    REGION 2--SOUTHEAST (6 files)
    FIPS  ST County              Type       FIPS  ST County              Type
____________________________________________________________________________

     1003 AL Baldwin              CL        37183 NC Wake                 FG
     1069 AL Houston              CL        37187 NC Washington           CG
     1117 AL Shelby               FG        40009 OK Beckham              CL
     5007 AR Benton               FG        40027 OK Cleveland            FG
     5031 AR Craighead            CL        40051 OK Grady                CL
     5055 AR Greene               CL        40081 OK Lincoln              CL
    12001 FL Alachua              FG        40083 OK Logan                CL
    12011 FL Broward              FG        40153 OK Woodward             CL
    12015 FL Charlotte            FG        45007 SC Anderson             FG
    12017 FL Citrus               FG        45015 SC Berkeley             FG
    12019 FL Clay                 FG        45035 SC Dorchester           FG
    12021 FL Collier              FG        45051 SC Horry                FG
    12025 FL Dade                 FG        45063 SC Lexington            FG
    12053 FL Hernando             FG        47045 TN Dyer                 CG
    12057 FL Hillsborough         FG        47073 TN Hawkins              CL
    12061 FL Indian River         CG        47149 TN Rutherford           CL
    12069 FL Lake                 FG        47155 TN Sevier               CL
    12071 FL Lee                  FG        47165 TN Sumner               FG
    12073 FL Leon                 FG        48013 TX Atascosa             CL
    12081 FL Manatee              FG        48021 TX Bastrop              CL
    12083 FL Marion               FG        48027 TX Bell                 FG
    12085 FL Martin               FG        48039 TX Brazoria             FG
    12093 FL Okeechobee           CG        48041 TX Brazos               FG
    12095 FL Orange               FG        48061 TX Cameron              FG
    12099 FL Palm Beach           FG        48085 TX Collin               FG
    12101 FL Pasco                FG        48099 TX Coryell              CL
    12103 FL Pinellas             FG        48113 TX Dallas               CS
    12105 FL Polk                 FG        48121 TX Denton               FG
    12111 FL St. Lucie            FG        48139 TX Ellis                CL
    12115 FL Sarasota             FG        48141 TX El Paso              FG
    12117 FL Seminole             FG        48157 TX Fort Bend            FG
    12121 FL Suwannee             CL        48165 TX Gaines               CG
    12127 FL Volusia              FG        48187 TX Guadalupe            CL
    13031 GA Bulloch              CG        48201 TX Harris               FG
    13063 GA Clayton              FG        48209 TX Hays                 CL
    13067 GA Cobb                 FG        48215 TX Hidalgo              FG
    13087 GA Decatur              CG        48251 TX Johnson              CL
    13097 GA Douglas              FG        48257 TX Kaufman              CL
    13135 GA Gwinnett             FG        48297 TX Live Oak             CL
    22029 LA Concordia            CG        48339 TX Montgomery           FG
    22033 LA East Baton Rouge     FG        48381 TX Randall              CL
    22051 LA Jefferson            FG        48423 TX Smith                FG
    22055 LA Lafayette            FG        48427 TX Starr                CG
    22077 LA Pointe Coupe         CG        48439 TX Tarrant              CL
    22103 LA St. Tammany          FG        48453 TX Travis               FG
    28033 MS De Soto              CG        48479 TX Webb                 FG
    28049 MS Hinds                CG        48491 TX Williamson           FG
    28059 MS Jackson              FG        28087 MS Lowndes              CG
    37177 NC Tyrrell              CG
                                            Total                   97
_________________________________________________________________________



    Attachment 4--Example of county data, Brazos County, Texas
__________________________________________________________________________

     STATE COUNTY MCDCCD EUSE   LUSE   SCS  EYEAR  LYEAR  AC/PT
        48     41     35 40     40             72     82   5160
        48     41     35 21     21             72     82
        48     41     35 21     21             72     82
        48     41     35 40     40             72     82
        48     41     35 14     14             72     82
        48     41     35 21     21             72     82
        48     41     35 21     21             72     82
        48     41     35 21     21             72     82
        48     41     35 21     21             72     82
        48     41     35 21     21             72     81
        48     41     35 40     40             72     82
        48     41     35 50     50             72     82
        48     41     30 40     40             72     82
        48     41     30 40     40             72     81
        48     41     30 40     40             72     81
        48     41     30 PC     40                    81
        48     41     30 40     40             72     81
        48     41     30 30     30             72     81
        48     41     30 21     21             72     81
        48     41     30 40     40             72     81
        48     41     30 40     40             72     81
        48     41     30 PC     30                    81
        48     41     30 21     21             72     81
        48     41     30 21     21             72     81
        48     41     30 40     40             72     81
        48     41     30 30     30             72     82
        48     41     35 40     40             72     82
        48     41     35 40     40             72     82
        48     41     35 40     40             72     82
        48     41     35 30     30             72     81
        48     41     35 40     40             72     81
        48     41     35 40     40             72     81
        48     41     35 21     21             72     81
        48     41     30 21     21             72     81
        48     41     30 21     21             72     81
        48     41     30 PC     11                    81
        48     41     30 40     40             72     81
        48     41     30 40     40             72     81
        48     41     30 21     21             72     81
        48     41     30 21     21             72     81
        48     41     30 21     21             72     81
        48     41     30 21     21             72     81
        48     41     30 21     21             72     81
        48     41     30 40     40             72     81
        48     41     30 21     21             72     81
        48     41     30 21     21             72     81
        48     41     30 30     30             72     81
        48     41     35 21     11      Cc     72     81
        48     41     35 30     30             72     81
        48     41     21 12     12             72     81
        48     41     35 40     40             72     81
        48     41     35 40     40             72     81
        48     41     35 21     21             72     81
        48     41     40 40     40             72     81
        48     41     40 21     21             72     81
        48     41     21 11     11             72     81
        48     41     30 11     11             72     81
        48     41     30 40     40             72     81
        48     41     30 21     21             72     81
        48     41     30 21     21             72     81
        48     41     30 21     PC             72
        48     41     40 30     30             72     81
        48     41     40 21     21             72     81
        48     41     40 21     21             72     81
        48     41     40 21     PC             72
        48     41     35 21     21             72     81
        48     41     40 21     21             72     81
        48     41     40 21     21             72     81
        48     41     40 40     40             72     81
        48     41     30 21     21             72     81
        48     41     40 21     21             72     81
        48     41     40 21     21             72     81
        48     41     40 21     21             72     81


README FILE -- West Region

These files contain data on land use change for the decade of the
1970s for 24 counties in the West region in the United States.  Areas include
those experiencing rapid population growth in the 1970s (fast growth, type
FG), those that had large losses of cropland accompanied by moderate
population growth (cropland loss, type CL), and those that gained substantial
amounts of cropland accompanied by population growth (cropland gain, type
CG).  (See attachment 5).

Files for this region are: 
     AZ_WEST.DBF, ID_UT&WY.DBF, NV.DBF,
        AZ_CNT.DBF, AZ_COCO.DBF, AZ_PIMA.DBF 
     AND CO&NM.DBF

Counties are listed by FIPS code.  For example, Davis County, Utah,
is 49011 (attachment 6).

    Attachment 5--Counties in Land Use Change Study, 1970-1980
_____________________________________________________________________________
    REGION 3--WEST (8 files)
    FIPS  ST County              Type       FIPS  ST County              Type
_____________________________________________________________________________

     4005 AZ Coconino             FG         8123 CO Weld                 FG
     4013 AZ Maricopa             FG        16001 ID Ada                  FG
     4015 AZ Mohave               FG        32003 NV Clark                FG
     4019 AZ Pima                 FG        32031 NV Washoe               FG
     4021 AZ Pinal                CL        35001 NM Bernalillo           FG
     4025 AZ Yavapai              FG        35013 NM Dona Ana             FG
     4027 AZ Yuma                 FG        35045 NM San Juan             FG
     8001 CO Adams                FG        49011 UT Davis                FG
     8005 CO Arapahoe             FG        49035 UT Salt Lake            FG
     8013 CO Boulder              FG        49049 UT Utah                 FG
     8059 CO Jefferson            FG        56035 WY Sublette             CL
     8069 CO Larimer              FG
     8077 CO Mesa                 FG        Total                   24
_____________________________________________________________________________



    Attachment 6--Example of county data, Davis County, Utah
_____________________________________________________________________________

     STATE COUNTY MCDCCD EUSE   LUSE   SCS  EYEAR  LYEAR  AC/PT
        49     11     10 40     PC             72          4788
        49     11     10 FL
        49     11     10 FL
        49     11     10 40     40             72     81
        49     11     10 30     30             72     81
        49     11     10 11     11             72     81
        49     11     10 11     11             72     81
        49     11     10 FL
        49     11     10 30     30             72     81
        49     11     10 60     60             72     81
        49     11     10 50     50             72     81
        49     11     10 30     30             72     81
        49     11     10 50     70             72     81
        49     11      5 WC
        49     11      5 70     50             72     85
        49     11      5 30     PC             72
        49     11      5 30     PC             72
        49     11      5 30     PC             72
        49     11      5 30     PC             72
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 70     50             72     85
        49     11      5 70     50             72     85
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11     10 FL
        49     11      5 FL
        49     11      5 FL
        49     11      5 30     30             71     81
        49     11      5 70     70             71     81
        49     11      5 40     40             71     81
        49     11      5 21     21             70     81
        49     11      5 30     30             70     81
        49     11      5 21     21             70     81
        49     11      5 FL
        49     11      5 70     70             70     81
        49     11      5 21     21             70     84
        49     11      5 21     21             70     84
        49     11      5 21     21             71     84
        49     11      5 30     30             71     84
        49     11      5 21     21             71     84
        49     11      5 21     21             70     84
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 50     PC             71
        49     11      5 60     PC             71
        49     11      5 WC
        49     11      5 WC
        49     11      5 30     PC             72
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC
        49     11      5 WC


README FILE -- Pacific Region

These files contain data on land use change for the decade of the
1970s for 34 counties in the Pacific region in the United States.  Areas
include those experiencing rapid population growth in the 1970s (fast growth,
type FG), those that had large losses of cropland accompanied by moderate
population growth (cropland loss, type CL), and those that gained substantial
amounts of cropland accompanied by population growth (cropland gain, type
CG).  (See attachment 7).

Files for this region include: 
     CA_MID.DBF, CA_NORTH.DBF,
     CA_KERN.DBF, CA_SBERN.DBF, CA_SO.DBF,
     ORE.DBF and WASH.DBF

Counties are listed by FIPS code.  For example, Washington County, Oregon, 
is 41067 (attachment 8).

    Attachment 7--Counties in Land Use Change Study, 1970-1980
_____________________________________________________________________________
    REGION 4--PACIFIC STATES (8 files)
    FIPS  ST County              Type       FIPS  ST County              Type
_____________________________________________________________________________

     6007 CA Butte                FG         6107 CA Tulare               FG
     6017 CA El Dorado            FG         6111 CA Ventura              FG
     6029 CA Kern                 CG        41005 OR Clackamas            FG
     6035 CA Lassen               CL        41013 OR Crook                CL
     6047 CA Merced               FG        41017 OR Deschutes            FG
     6057 CA Nevada               FG        41029 OR Jackson              FG
     6061 CA Placer               FG        41039 OR Lane                 FG
     6065 CA Riverside            FG        41047 OR Marion               FG
     6071 CA San Bernardino       FG        41059 OR Umatilla             CG
     6073 CA San Diego            FG        41067 OR Washington           FG
     6077 CA San Joaquin          CG        53005 WA Benton               FG
     6079 CA San Luis Obispo      FG        53011 WA Clark                FG
     6085 CA Santa Clara          CL        53025 WA Grant                CG
     6087 CA Santa Cruz           FG        53035 WA Kitsap               FG
     6089 CA Shasta               FG        53061 WA Snohomish            FG
     6095 CA Solano               FG        53067 WA Thurston             FG
     6097 CA Sonoma               FG
     6099 CA Stanislaus           FG        Total                   34
____________________________________________________________________________




    Attachment 8--Example of county data, Washington County, Oregon
_________________________________________________________________________

     STATE COUNTY MCDCCD EUSE   LUSE   SCS  EYEAR  LYEAR  AC/PT
        41     67     11 14     14             73     81   5336
        41     67     11 40     11             73     81
        41     67     11 40     11             73     81
        41     67     11 16     16             73     81
        41     67     11 21     76      15     73     81
        41     67     11 21     11      45B    73     81
        41     67     11 21     21             73     81
        41     67     11 14     14             73     81
        41     67     11 40     40             73     81
        41     67     11 40     40             73     81
        41     67     11 70     70             73     81
        41     67     11 40     11             73     81
        41     67     25 21     21             73     82
        41     67     25 21     21             73     82
        41     67     11 40     40             73     81
        41     67     11 21     21             73     82
        41     67     25 21     21             73     82
        41     67     25 21     21             73     82
        41     67     25 40     40             73     82
        41     67     25 21     21             73     82
        41     67     41 40     40             73     82
        41     67     25 40     40             73     82
        41     67     25 21     21             73     82
        41     67     25 21     21             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 21     21             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     11 40     PC             73
        41     67     11 14     14             73     81
        41     67     56 21     21             73     81
        41     67     50 21     PC             73
        41     67     56 21     21             73     81
        41     67     56 21     21             73     81
        41     67     11 21     21             73     81
        41     67     11 21     21             73     81
        41     67     50 11     11             73     82
        41     67     50 21     21             73     82
        41     67     50 40     40             73     82
        41     67     50 40     40             73     82
        41     67     41 21     21             73     82
        41     67     41 21     21             73     82
        41     67     41 21     21             73     82
        41     67     41 21     21             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     50 40     40             73     82
        41     67     50 40     40             73     82
        41     67     50 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 21     21             73     82
        41     67     41 11     11             73     82
        41     67     41 21     21             73     82
        41     67     41 21     21             73     82
        41     67     33 40     40             73     82
        41     67     41 40     40             73     82
        41     67     41 21     21             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 21     21             73     82
        41     67     33 21     21             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82
        41     67     33 40     40             73     82




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