Geologic map of Oregon /
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| Author / Creator: | Walker, George Walton, 1921- |
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| Imprint: | Reston, VA : U.S. Geological Survey ; Denver, CO : For sale by U.S. Geological Survey Map Distribution, 1991. |
| Description: | 1 map : col. ; 100 x 132 cm. |
| Language: | English |
| Subject: | |
| Cartographic data: | Scale 1:500,000. 1ʺ = approx. 8 miles. 1 cm. = approx. 5 km. ; Lambert conformal conic proj., standard parallels 33⁰ and 45⁰ (W 124⁰--W 117⁰/N 46⁰--N 42⁰). |
| Format: | Map U.S. Federal Government Document Print |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/1675812 |
| Item Description: | Relief shown by contours and spot heights. Depths shown by contours and soundings. "Geology compiled by George Walker, 1981-84." "Manuscript approved for publication, February 4, 1988." "Base from U.S. Geological Survey, 1964-65." Accompanied by: Explanation for Geologic map of Oregon. 1 sheet : maps ; 107 cm. |
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| Physical Description: | Scale 1:500,000. 1ʺ = approx. 8 miles. 1 cm. = approx. 5 km. ; Lambert conformal conic proj., standard parallels 33⁰ and 45⁰ (W 124⁰--W 117⁰/N 46⁰--N 42⁰). 1 map : col. ; 100 x 132 cm. |
| Bibliography: | Bibliography in accompanying text. |