Geology topics
Publications and source records attributed to E. R. Cressman.
This dataset was digitized by the U.S. Geological Survey EROS Data Center and U.S. Geological Survey Spokane Field Office for input into an Arc/Info geographic information systsem (GIS). The digital geologic map database can be queried in many ways to produce a variety of derivative geologic maps.
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No abstract available.
No abstract available.
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This report and accompanying maps summarize the status or ownership or many phosphate bearing lands in southwestern Montana and northeastern Idaho. Ownership categories discussed are (1) phosphate rights owned by Federal Government, (2) phosphate rights not owned by Federal Government, and (3) ownership status uncertain.
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