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USGS is a primary source of geographic information system (GIS) data. Our data and information is presented in spatial and geographic formats, including The National Map, Earth Explorer, GloVIS, LandsatLook, and much more. Explore GIS Data Maps. 

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Mineral resource assessment map of the Big Gum Swamp Roadless Area, Columbia and Baker counties, Florida Mineral resource assessment map of the Big Gum Swamp Roadless Area, Columbia and Baker counties, Florida

The Big Gum Swamp Roadless Area (figs, 1 and 2) comprises 13,600 acres in the north-central part of the Osceola National Forest in Columbia and Baker Counties, about 12 airline miles northeast of Lake City, Fla. The area is bounded by Forest Service road 211 and Florida highway 250 on the south, Forest Service roads 233 and 232 on the west and north, and Forest Service road 235 on the...
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