Topographic and geologic maps of manganese deposits in California
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Abstract
Geologic and topographic maps of several manganese properties in California were released today by the Geological Survey according to an announcement made by Survey Director W. E. Wrather to Secretary of the Interior Harold L. Ickes. The maps have been placed on open file at the offices of the Geological Survey in Washington, D. C., and at the offices of the Geologic Branch, California Division of Mines, Ferry Building, San Francisco, where they may be consulted by persons directly interested in the properties.
The recently increased demand for information regarding deposits of manganese silicates for new uses in connection with the war effort has indicated the desirability of releasing unpublished detailed maps of the California deposits, many of which carry manganese silicates. The maps were made as part of the strategic minerals investigations of the Geological Survey from 1941 to 1943.
The deposits covered by the maps are in the following counties of California: Amador, Calaveras, Eldorado, Glenn, Humboldt, Los Angeles, Madera, Mariposa, Mendocino, Mono, Placer, Plumas, San Bernardino, San Benito, San Luis Obispo, San Joaquin, Sonoma, Stanislaus, Trinity, and Tuolumne.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Topographic and geologic maps of manganese deposits in California |
| Series title | Open-File Report |
| Series number | 45-73 |
| DOI | 10.3133/ofr4573 |
| Year Published | 1945 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | 62 p. |
| Country | United States |
| State | California |
| County | Amador County, Calaveras County, Eldorado County, Glenn County, Humboldt County, Los Angeles County, Madera County, Mariposa County, Mendocino County, Mono County, Placer County, Plumas County, San Bernardino County, San Benito County, San Luis Obispo County, San Joaquin County, Sonoma County, Stanislaus County, Trinity County, Tuolumne County |