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Coal -- Geology -- West (U.S.) : Paleogeography of the Late Cretaceous of the western interior of middle North America : coal distribution and sediment accumulation / by Laura N. Robinson Roberts and Mark A. Kirschbaum.
Coal leases -- West (U.S.) : Economic effects of western Federal land use restrictions on U.S. coal markets / by William D. Watson [and four others].
Coal mines and mining -- West (U.S.) : Laboratory methods recommended for chemical analysis of mined-land spoils and overburden in western United States / F.M. Sandoval and J.F. Power.
Coalbed methane -- West (U.S.) : Management and effects of coalbed methane produced water in the western United States / Committee on Management and Effects of Coalbed Methane Development and Produced Water in the Western United States, Committee on Earth Resources, Board on Earth Sciences and Resources, Water Science and Technology Board, Division on Earth and Life Studies, National Research Council of the National Academies.
Coarse woody debris -- West (U.S.) -- Congresses. : Proceedings of the Symposium on the Ecology and Management of Dead Wood in Western Forests : November 2-4, 1999, Reno, Nevada / William F. Laudenslayer, Jr. [and four other] technical coordinators.
Conservation of natural resources -- West (U.S.) -- Congresses. : Collaboration and conservation : lessons learned from National Park Service partnership areas in the western United States : a report on a workshop, March 18-19, 2003, Santa Fe, New Mexico / edited by Jacquelyn L. Tuxill, Nora J. Mitchell, and Jessica Brown.