Land use and land cover and associated maps
Subtitle: land use and land cover, political units, hydrologic units, census county subdivisions, federal land ownership
Contributors: Geological Survey (U.S.)
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 1979
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Land use -- United States -- Maps; Maps