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.
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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.
1833. J. & C. Walker (Firm). Relief shown by hachures.;1 map, hand colored;20.5 x 35.4 cm.;ca. 1:1,750,000;C. Knight, 1846-51. -- vol. 2, no. 138. Charles Knight & Co. (London).
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.
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.
1904. Pharus-Verlag. Louisiana Purchase Exposition (1904 : Saint Louis, Mo.)--Maps.
1904. Pharus-Verlag. Louisiana Purchase Exposition (1904 : Saint Louis, Mo.)--Maps.
1904. Dry, Camille N. Louisiana Purchase Exposition (1904 : Saint Louis, Mo.)--Maps.
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.).
1904. Poole Brothers. Saint Louis (Mo.)--Maps.