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Search indexed USGS publications on groundwater, aquifers, geologic maps, mineral resources and earthquakes. Explore source records by subject and place.
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Photogeologic map, Orange Cliffs 16 quadrangle, Garfield and San Juan Counties, Utah
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Open-File Report↗
Preliminary photogeologic maps of Naval Petroleum Reserve No. 4, and adjacent areas, Alaska
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Open-File Report↗
Photogeologic map of the lower Koyukuk Cretaceous basin, west-central Alaska
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Open-File Report↗
Geologic strip map along Route 28 in the Taunton and Bridgewater quadrangles, Massachusetts
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Open-File Report↗
Reconnaissance map of southeastern Massachusetts showing the distribution of deposits of Quaternary age
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Open-File Report↗
Preliminary bedrock-surface map of the Omaha-Council Bluffs area, Nebraska-Iowa
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Iowa, Nebraska↗
Geologic and structure map of the West Salt Creek oil field, Natrona County, Wyoming
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Open-File Report↗