National Geologic Map Database
General Information
- Title: Chemical analyses and statistical summaries for samples of rock, minus-60-mesh (0.25mm) stream sediment, and nonmagnetic heavy-mineral concentrate, Pyramid Roadless Area, El Dorado County, California
- Author(s): Chaffee, M.A., Fey, D.L., Grimes, D.J., and Leinz, R.W.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Open-File Report OF-83-644
- Publication Date: 1983
- Map Scale: 1:62,500
- Cross Section: None
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