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Geologic map of Mount St. Helens, Washington prior to the 1980 eruption / by Clifford A. Hopson.
- Format:
- Government document
- Map/Atlas
- Author/Creator:
- Hopson, Clifford A. (Clifford Andrae), 1928- cartographer.
- Series:
- U.S. Geological Survey open-file report ; 02-468.
- Open-file report ; 02-468
- Language:
- English
- Subjects (All):
- Geology--Washington (State)--Saint Helens, Mount--Maps.
- Geology.
- Saint Helens, Mount (Wash.)--Maps.
- Saint Helens, Mount (Wash.).
- Washington (State)--Mount Saint Helens.
- Genre:
- Online resources.
- Maps.
- Physical Description:
- 1 online resource (1 map).
- Scale 1:31,250 ; polyconic projection (W 123°00ʹ--W 122°00ʹ/N 46°30ʹ--N 46°00ʹ).
- Edition:
- Version 1.0.
- Cartographic Data:
- Scale 1:31,250 ; polyconic projection (W 123°00ʹ--W 122°00ʹ/N 46°30ʹ--N 46°00ʹ).
- Place of Publication:
- [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2008.
- Notes:
- Relief shown by contours and spot heights.
- Title from HTML index page (viewed July 18, 2008).
- Text and bibliographical references on verso.
- OCLC:
- 235432182
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