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3 Titles Match Your Query
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1. USGS Land Use and Land Cover (LULC) Data [1_250_LULC]
The National Mapping Program, a component of the U. S. Geological Survey (USGS), produces and distributes land use and land cover maps and digitized data for the conterminous U.S. and Hawaii. Land ...


2. U.S. Geological Survey Aerial Photography [USGSPHOTOS]
The U.S. Geological Survey (USGS) Aerial Photography data set includes over 2.5 million film transparencies. Beginning in 1937, photographs were acquired for mapping purposes at different altitudes ...


3. 1:2,000,000-Scale Hydrologic Unit Maps [2MILHUC]
This data set contains hydrologic units (drainage basins) at a scale of 1:2,000,000 for the conterminous United States and Alaska. The attributes assigned to each unit follow the 8-digit Hydrologic ...


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