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- Recommended Citation(s)*:
Center for International Earth Science Information Network - CIESIN. 1996. Archive of Census Related Products (ACRP): 1990 SAS Transport Files. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). https://doi.org/10.7927/H4BG2KWB. Accessed DAY MONTH YEAR.
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The entire 1990 STF3A database has been grouped by state according to the state postal codes and subdivided by the following geographic summary levels: state and county (slvl=040 and slvl=050), county subdivision/mcd (slvl=060), tracts (slvl=140), blockgroup (slvl=150), places (slvl= 155), and others (all other slvls). The other summary level includes groups such as Indian reservations, tribal districts, congressional districts, etc. The tabulation geographies, the split-blockgroups (slvl=090), split-tracts (slvl=080) and split-places (slvl=070), have been extracted into individual files by state. A detailed description of the variables have been compiled in the file 3xptvar.lst.
directory path: /pub/census/usa/stf/xx/3xpt (where xx represents the state postal codes)
SAS transport (.xpt)