Residual scheelite pebble coated with caliche (calcium carbonate), Atolia. San Bernardino County, California. No date.
Summary
Residual scheelite pebble coated with caliche (calcium carbonate), Atolia. San Bernardino County, California. Plate 20-C in U.S. Geological Survey. Bulletin 652. 1917.
Summary
Residual scheelite pebble coated with caliche (calcium carbonate), Atolia. San Bernardino County, California. Plate 20-C in U.S. Geological Survey. Bulletin 652. 1917.
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