Preliminary geologic map of the Cerro Cobachi area, Sonora, Mexico [cartographic material] / Department of the Interior, U.S. Geological Survey ; by Keith B. Ketner and John H. Noll, Jr.

Corporate Author: Geological Survey (U.S.)
Published: Reston, Va. : The Survey, 1987.
Denver, CO : For sale by Branch of Distribution.
Physical Description: 1 map ; 36 x 44 cm, on sheet 86 x 64 cm, folded in envelope 30 x 24 cm.
Additional Creators: Noll, John H. and Ketner, Keith B., 1921-2019

Availability

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Series

Miscellaneous field studies ; map MF-1980

Report Numbers

I 19.113:MF-1980

Subject(s)

Geology—Mexico—Sonora (State)—Maps

Genre(s)

Geological maps

Related Titles

Cerro Cobachi area, Sonora, Mexico, preliminary geologic map

Cartographic Mathematical Data

Scale 1:20,000. (W 110 012ʹ30ʺ--W 110 010ʹ00ʺ/N 28 052ʹ30ʺ--N 28 050ʹ00ʺ).

Note

"Geology by John H. Noll, Jr., 1979-80, and Keith B. Ketner, 1983-85."
Includes text, bibliography, table, cross section, and location map.
Relief shown by contours and spot heights.

Action Note

committed to retain. Federal Depository Library Program (FDLP). For information on our retention commitment, please contact Microforms and Government Information.

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Preliminary geologic map of the Cerro Cobachi area, Sonora, Mexico [cartographic material] / Department of the Interior, U.S. Geological Survey ; by Keith B. Ketner and John H. Noll, Jr.

Availability