Coal deposits of the Santa Clara district near Tonichi, Sonora, Mexico
By: by Ivan F. Wilson and Victor S. Rocha.
Contributors: Rocha, Victor S.; México. Secretaría de la Economía Nacional.; Universidad Nacional Autónoma de México. Instituto de Geología.; United States. Interdepartmental Committee on Scientific and Cultural Cooperation.
Series: Geological Survey bulletin -- 962-A; Geologic investigations in the American Republics
Publisher: U.S. G.P.O.
Published: 1949
Place of publication: Washington
Language: eng
Number of pages: 80
Subjects: Coal -- Geology -- Mexico -- Sonora (State); Coal mines and mining -- Mexico -- Sonora (State); Geology -- Mexico -- Sonora (State); Formations (Geology) -- Mexico -- Sonora (State); Rocks, Igneous -- Mexico -- Sonora (State); Geology, Economic -- Mexico -- Sonora (State)
Notes: Maps and sections on eight folded plates in pocket (plates 2 and 5-11).

"A study undertaken to aid industrial development of the region."

"Prepared in cooperation with the Secretaría de la Economía Nacional de México, Dirección General de Minas y Petróleo and the Universidad Nacional Autónoma de México, Instituto de Geología, under the auspices of the Interdepartmental Committee on Scientific and Cultural Cooperation, Department of State."

Includes bibliographical references and index.

In library's copy, index follows Bulletin 962-D.