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Results for “Open File Map”
Search indexed USGS publications on groundwater, aquifers, geologic maps, mineral resources and earthquakes. Explore source records by subject and place.
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Metallic mineral resources map of the Ophir quadrangle, Alaska
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Open-File Report↗
Metallic mineral resources map of the Gulkana quadrangle, Alaska
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Open-File Report↗
Metallic mineral resources map of the Nabesna quadrangle, Alaska
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Open-File Report↗
Metallic mineral resources map of the Bethel quadrangle, Alaska
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Open-File Report↗
Geologic map of the Redlands Quadrangle, California
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Open-File Report↗