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Images by United States Geological Survey of Lake County (Calif.) from 1887
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Becker, George F.
Geological Map of the Sulphu
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1887
Geologic Atlas
| Authors |
Becker, George F. |
| Full Title |
Geological Map of the Sulphur Bank District. U.S. Geological Survey. Monograph XIII, Atlas Sheet IV. S.H. Bodfish 1882, J.D. Hoffman 1884, Topographers. Giles Litho. & Liberty Printing Co. Geo. F. Becker, Geologist in charge. |
| List No |
4580.002 |
| Note |
Shows in color three classes of rock. Relief shown by 20-foot contour lines. Shows mines, streams, and settlements. |
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Becker, George F.
Geological Map of the Knoxvi
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1887
Geologic Atlas
| Authors |
Becker, George F. |
| Full Title |
Geological Map of the Knoxville District. U.S. Geological Survey. Monograph XIII, Atlas Sheet V. Topography by J.D. Hoffman 1883. Geo. F. Becker, Geologist in charge. Topographical Map of the Region of Clear Lake. Compiled by C.F. Hoffmann. Geo. F. Becker, Geologist in charge. |
| List No |
4580.003 |
| Note |
Two maps on one sheet. Knoxville District map relief shown with 25-foot contours. Shows in color five classes of rock. Longitude and latitude shown. Scale 1:15,000. Clear Lake Region map shows topography with shaded relief, streams, mines, settlements, and roads. Scale 1:95,000. Outlines of Sulphur Bank District and Knoxville District shown. |
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