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[http://egsc.usgs.gov/isb/pubs/booklets/usgsmaps/usgsmaps.html Topographical maps] show physical and man-made features, such as creeks, hills, roads, cemeteries, and churches. | [http://egsc.usgs.gov/isb/pubs/booklets/usgsmaps/usgsmaps.html Topographical maps] show physical and man-made features, such as creeks, hills, roads, cemeteries, and churches. | ||
*The | *The [http://www.usgs.gov/ United States Geological Survey] <ref>'''U.S. Department of Interior''' &amp;amp;amp;amp;amp;amp;amp;lt;br&amp;amp;amp;amp;amp;amp;amp;gt;Geological Survey &amp;amp;amp;amp;amp;amp;amp;lt;br&amp;amp;amp;amp;amp;amp;amp;gt;1200 South Eads Street | Arlington, VA 22202</ref> offers highly detailed topographical maps online showing physical and manmade features in each section of the country, or ''quadrangle''. These maps are also available at most university libraries<ref>United States. Geological Survey. ''Topographic Maps of the United States.'' Scale varies. Suitland, Maryland: National Archives and Records Service, 1976-. (FHL films 1433631-921.) </ref> | ||
*[http://www.mass.gov/mgis/im_quad.htm Topographic Quadrangles] of the United States maps were originally published from 1884 to 1983. The maps are arranged by the name of the quadrangle within each state. States are not in alphabetical order. <ref>Moffat, Riley Moore. ''Map Index to Topographic Quadrangles of the United States, 1882-1940''. Occasional paper: Western Association of Map Libraries, number 10. Santa Cruz, California: Western Association of Map Libraries, 1986. (FHL Ref book 973 E72m.)</ref> Use a state map to find the quadrangle number. Then find the number in the state's map list to learn the name of the quadrangle. | *[http://www.mass.gov/mgis/im_quad.htm Topographic Quadrangles] of the United States maps were originally published from 1884 to 1983. The maps are arranged by the name of the quadrangle within each state. States are not in alphabetical order. <ref>Moffat, Riley Moore. ''Map Index to Topographic Quadrangles of the United States, 1882-1940''. Occasional paper: Western Association of Map Libraries, number 10. Santa Cruz, California: Western Association of Map Libraries, 1986. (FHL Ref book 973 E72m.)</ref> Use a state map to find the quadrangle number. Then find the number in the state's map list to learn the name of the quadrangle. | ||
*You can purchase copies of topographical maps from the [http://www.doi.gov/ U.S. Department of the Interior] <ref>'''U.S. Department of the Interior'''&amp;amp;amp;amp;amp;amp;lt;br&amp;amp;amp;amp;amp;amp;gt;Geological Survey&amp;amp;amp;amp;amp;amp;lt;br&amp;amp;amp;amp;amp;amp;gt;507 National Center | Reston, VA 20192&amp;amp;amp;amp;amp;amp;lt;br&amp;amp;amp;amp;amp;amp;gt;Telephone: 800-USA-MAPS (toll free)&amp;amp;amp;amp;amp;amp;lt;br&amp;amp;amp;amp;amp;amp;gt;Telephone: 703-648-6045 (local) </ref> | *You can purchase copies of topographical maps from the [http://www.doi.gov/ U.S. Department of the Interior] <ref>'''U.S. Department of the Interior'''&amp;amp;amp;amp;amp;amp;amp;lt;br&amp;amp;amp;amp;amp;amp;amp;gt;Geological Survey&amp;amp;amp;amp;amp;amp;amp;lt;br&amp;amp;amp;amp;amp;amp;amp;gt;507 National Center | Reston, VA 20192&amp;amp;amp;amp;amp;amp;amp;lt;br&amp;amp;amp;amp;amp;amp;amp;gt;Telephone: 800-USA-MAPS (toll free)&amp;amp;amp;amp;amp;amp;amp;lt;br&amp;amp;amp;amp;amp;amp;amp;gt;Telephone: 703-648-6045 (local) </ref> | ||
== Research helps == | == Research helps == | ||