October 5, 2019
Metamorphic Core Complexes - Rincon Peak Quadrangle
Arizona Geological Survey Digital Geologic Map 10 includes the
Posta Quemada - Hidden Spring subregion in the southern part of
the Rincon Peak Quadrangle.
Geologic map of The Narrows 7½' Quadrangle and the
southern part of the Rincon Peak 7½' Quadrangle, eastern Pima
County, Arizona
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Tom's Geology Info / tom@mmto.org