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Subject
Imagery and Base Maps
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Place
West Virginia, United States
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Year
1997
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1 entry found
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1. Digital Orthophoto (DOQQ - quarter-quadrangle) for West Virginia 1997
1997. U.S. Geologic Survey; Pennsylvania Bureau of Topographic and Geologic Survey. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. The primary digital orthophotoquad (DOQ) is a ...