1850. Abert, J. W. (James William), 1820-1897. Relief shown by hachures. 63 x 50 Centimeters Scale approximately 1:636,000 General Map Collection. War Dept (Washington, D.C).
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2004. National Atlas of the United States. This polygon shapefile portrays county level data for the fiscal-year-2004 National Fire Plan - Hazardous Fuels Reduction Program. The purpose of t... National Atlas of the United States.
1972. National Atlas of the United States. This polygon shapefile contains National Wilderness Preservation System areas of 640 acres or more, in the United States, Puerto Rico, and the U.S.... National Atlas of the United States.
2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Canada Centre for Mapping, and Geological Survey (U.S.). This polygon shapefile contains bathymetric data with depth in metres for ocean areas covered by the extent of the North American Atlas project. Is... Canada Centre for Mapping.
1885. United States. Army. Office of the Chief of Engineers. Relief shown by hachures and spot heights. 74 x 69 centimeters Scale approximately 1:468,000 General Map Collection. Office of the Chief of Engineers U.S.A (Washington?).
2003. United States. Environmental Protection Agency. This polygon shapefile shows Omernik's Level III ecoregions, derived from a 1:7,500,000 map created by J.M. Omernik in 1987 and from refinements of... National Atlas of the United States.
1876. Geographical Surveys West of the 100th Meridian (U.S.). Relief shown by hachures and spot heights.; "Atlas sheet no. 83."; "Issued Mar. 18th 1876."; "Expeditions of 1871 & 1873 under the command of 1st. ... U.S. Geographical Surveys West of the 100th Meridian (Washington, D.C).
1900. United States. Post Office Department. Includes list of counties. 94 x 77 centimeters Scale approximately 1:760,000 General Map Collection. Post Office Department (Washington, D.C).
1986. National Cartographic Center (U.S.). Relief shown by contours and spot heights.; Shows land use.; "September 1985 4-39456." 65 x 55 centimeters Scale 1:1,000,000. USDA-SCS-National Mapping Division (Ft. Worth, TX.).
2010. Geological Survey (U.S.). This polygon shapefile portrays the Public Land Surveys of the United States, including areas of private survey, donation land claims, and land gra... Geological Survey (U.S.).