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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 resources map of the Tanacross Quadrangle, Alaska Mineral resources map of the Tanacross Quadrangle, Alaska

Areas favorable for the occurrence of two types of mineral deposits are delineated on the map. Known deposits and occurrences are also shown on the map and available data on them are provided in table 1. Information from the known deposits combined with geologic, geochemical, geophysical, and earth satellite data presented in the other components of the Tanacross folio provide the basis...
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