Water Programs


Topographic Maps. Topographic maps and aerial photographs are available from the Geological Survey. Source: U.S. Geological Survey, Earth Science Information Center, 507 National Center,Reston, VA. 22092; or call (703) 648-6892 or (800) USA-MAPS; http://www.usgs.gov/.

Topographic Maps Index. A catalog of topographic maps is available by state from the Geological Survey. Source: U.S. Geological Survey, Books and Open File Report Center, P.O. Box 25286, Federal Center, Denver, and CO 80255; or call (800) USA-MAPS; http://www.usgs.gov/.

Map Wheels. Used to determine distances on maps. When ordering, confirm that you are purchasing the PECO Dual-Faced Map Measurer. This model can measure distance in miles or kilometers from 1:100,000 scale maps (USGS 30 x 60-minute quadrangle maps.) It also records inches and centimeters so you can use other map scales. Source: Forestry Suppliers Inc., 205 W. Rankin St., PO Box 8397 Jackson, MS 39284-8397; or call (800) 647-5368; http://www.forestry-suppliers.com/

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