Number of items:
1
.
Simpson, Dale Rodekohr
(1960)
Geology of the Ramona Pegmatites, San Diego County, California.
Dissertation (Ph.D.), California Institute of Technology.
doi:10.7907/65DM-QT70.
https://resolver.caltech.edu/CaltechETD:etd-09202006-111427
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Wed Dec 17 19:18:57 2025 UTC
.