University of Texas Libraries GeoData
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Quality control
64
Recreation areas
63
Roads
63
Dams
62
Railroads
62
Wetlands
62
Population
60
Hydrology
55
Bridges
51
Glaciers
48
Rapids
48
Waterfalls
48
Runways (Aeronautics)
46
Towers
43
Districts
42
Streets
40
Vegetation boundaries
40
Buildings
39
Cliffs
39
Fault zones
39