National Geologic Map Database
General Information
- Title: Geologic investigations of proposed powersites at Cooper, Grant, Ptarmigan, and Crescent Lakes, Alaska
- Author(s): Plafker, George
- Publishing Organization: U.S. Geological Survey
- Series and Number: Bulletin 1031-A
- Larger Work: Geology of waterpower sites in Alaska
- Publication Date: 1955
- Map Scale: 1:30,000
- Cross Section: Yes
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