EarthWorks Geospatial Catalog

Geologic map of the Broadwell Lake 15 minute quadrangle [cartographic material] : San Bernardino County, California / by Thomas W. Dibblee, Jr. ; edited by John A. Minch.

Relief shown by contours and spot heights. "Contour interval 40 feet." "Topographic base map from available USGS 15-minute quadrangle ... Broadwell Lake, CA 1955, AMS 2753 I-Series V795." "First printing, July 2008." Includes location map, index to adjacent 15 minute quadrangles and index to sources of geology, most recent 1967.
Santa Barbara Museum of Natural History
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