2010. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the sulfur diox... United States. Bureau of Transportation Statistics.
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2005. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This point shapefile shows the locations of impact structures in the United States. An impact structure is a crater formed by the impact of a meteo... Geological Survey (U.S.) and National Atlas of the United States.
1920. United States. Office of Indian Affairs. Engraved and printed by the U.S. Geological Survey. 65 x 96 centimeters Scale approximately 1:3,500,000 General Map Collection. United States. Office of Indian Affairs. (Washington, D.C.).
1971. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the sulfur diox... United States. Bureau of Transportation Statistics.
1978. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the sulfur diox... United States. Bureau of Transportation Statistics.
Hood, Washington., Abert, John James, 1788-1863, United States, Congress., Senate., and United States, Topographical Bureau. compiled in the Bureau of Topographical Engineers, from the latest authorities, under the direction of Col. J. J. Abert, by Wash: Hood ; M. H. Stan... U.S. Senate].
467. United States
1833. Burr, David H., 1803-1875. Relief shown by hachures. "Entered according to act of Congress in the year 1833 by Illman & Pilbrow in the Clerk's office of the District Court fo...
2005. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This line shapefile shows the outlines of major calderas and impact structures in the United States. A caldera is a large, generally circular depre... Geological Survey (U.S.) and National Atlas of the United States.
1816. Inset: Chart of Lakes Erie and Ontario on an enlarged scale. 24 x 34 centimeters Scale [1:100,000] General Map Collection. Edward Baines (Leeds).
1852. Scale approximately 1:4,300,000. Title-label on cover: Neueste Eisenbahn-, Post- und Kanal-Karte ... Bamberg, Buchner'schen Buchhandlung; New-York,... Buchner'schen Buchhandlung.