National Geologic Map Database
General Information
- Title: Refractive index of glass beads distinguishes Tertiary basalts in the Grays River area, southwestern Washington
- Author(s): McKee, E.H.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Professional Paper 600-C
- Larger Work: Geological Survey Research, 1968
- Publication Date: 1968
- Map Scale: 1:338,000
- Cross Section: None
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