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Preliminary geologic map and sections of the Hogan 4 northeast quadrangle, Lewis and Clark and Cascade Counties, Montana
- Author / Creator
- Available as
- Physical
Details
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- Creator
- Robert George Schmidt ; assisted by Donald A. Swanson and Peter Zubovic
- Format
- Maps, Atlases
- Language
- English
- Publication
-
- Washington, D.C. : U.S. Geological Survey, 1964
- Physical Details
-
- 1 map ; 58 x 40 cm., on sheet 94 x 109 cm., folded to 19 x 28 cm., in envelope 30 x 24 cm
- OCLC
- ocm19223943
- Cartographic Data
-
Scale 1:24,000(W 112⁰07ʹ30ʺ--W 112⁰00ʹ00ʺ/N 47⁰15ʹ00ʺ--N 47⁰07ʹ30ʺ)
- Relief shown by contours and spot heights.
- Contour interval 40 feet. Datum is mean sea level.
- "Base from U.S. Geological Survey preliminary topographic map ... geology mapped in 1961-62."
- Includes explanations, geologic cross sections, quadrangle location map, and bibliographical references.