TY - RPRT TI - 1970's Land use data refined with 1990 population data to indicate new residential development for the conterminous United States AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 2005 DO - 10.3133/70046925 UR - https://pubs.usgs.gov/publication/70046925 ID - 70046925 ER -