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Publications by Michael A. Cosca

Geologic Map of the Poncha Pass Area, Chaffee, Fremont, and Saguache Counties, Colorado

Scientific Investigations Map

English

Geologic Map of the Upper Arkansas River Valley Region, North-Central Colorado

Scientific Investigations Map

English

Geologic Map of the Rio Rico and Nogales 7.5’ Quadrangles, Santa Cruz County, Arizona

Scientific Investigations Map

English