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Geology and fuel resources of the southern part of the San Juan Basin, New Mexico
Southern part of San Juan Basin, La Ventana-Chacra Mesa coal field
1 online resource (v, 81-166 pages, 39-55 pages of plates) : illustrations, maps (some color).
Title from title screen (viewed July 8, 2014).
Table of contents for parts 1-3 (v pages) at end.
Includes bibliographical references and index.
Bulletin (Geological Survey (U.S.)) ; no. 860-C