Geographic references files presently available include: 1) Master Enumeration District list (MED-list)-presents the codes which identify the geographic areas presented on the 1970 census files, such as places, counties, census tracts; 2) GBE/DIME files-street inventories, in the urbanized portion of SMSAS, which relate address ranges to Census geographic area codes; 3) zip/tract cross-reference file-correspondence file, in urbanized areas of SMSAS, between zip codes and census tracts as of 1972; 4) city reference file-census places and post office names and their associated zip, state, county, and place codes as of 1972; 5) dimeco-latitude-longitude coordinates describing the boundaries of all counties in the U.S.; 6) U.S. centers of population-latitude-longitude coordinates for the 1970 census population centers of counties in the u.s.; 7) SMSA tract boundaries-latitude-longitude coordinates for the boundaries of census tracts with 1970 SMSAS; 8) admatch-a computerized address matching system for relating local area data files with geographic reference files such as GBF/DIME; and 9) GRIDS-A FORTRAN computer mapping program for displaying grid-oriented data. The Bureaus geography division, through its analysis, creates the standard geographical data elements for inclusion in the file.

  • Supplemental Notes:
    • ADP Storage: magnetic tape form.
  • Corporate Authors:

    Bureau of the Census

    General Federal Office Building
    Suitland, MD  United States  20233
  • Publication Date: 0

Subject/Index Terms

Filing Info

  • Accession Number: 00320595
  • Record Type: Publication
  • Source Agency: Transportation Systems Center
  • Files: TSR
  • Created Date: Oct 30 1982 12:00AM