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. This layer is part of the Geologic Map of the ... Geological Survey (U.S.).
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Colton, J. H. (Joseph Hutchins), 1800-1893. Ackerman's lith. 120 Fulton St. N.Y. Relief shown by hachures. Latitudinal and longitudinal lines. Prime meridians: Greenwich (top) and Washington ... J. H. Colton, No. 86, Cedar St.,.
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.
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.
2005. Geological Survey (U.S.). This map layer contains locations and information on faults and associated folds, in the United States, that are believed to be sources of signific... National Atlas of the United States.
2005. Geological Survey (U.S.). This map layer contains locations and information on faults and associated folds, in the United States, that are believed to be sources of signific... National Atlas of the United States.
Robert de Vaugondy, Gilles, 1688-1766. par le Sr. Robert de Vaugondy ; fils de Mr. Robert, Géog, du Roi. Relief shown pictorially. From the author's Atlas portatif, universal et militair... R. de Vaugondy.
2005. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This line shapefile shows the glacial limit lines, with line decorations (added for display purposes) in the United States. This layer is part of t... Geological Survey (U.S.).
2005. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This line shapefile shows the glacial limit lines in the United States. This layer is part of the Geologic Map of the United States, originally pub... Geological Survey (U.S.).
160. Ferrous Metal Mines
2003. Geological Survey (U.S.) Minerals Information Team. This point shapefile includes ferrous metal mines in the United States. The data represent commodities covered by the Minerals Information Team (MI... National Atlas of the United States.