by Robert J. Hallock and Linda L. Hallock, editors ; [prepared by] U.S. Geological Survey, U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, and U.S. Bureau of Indian Affairs
by S.A. Wilson ... [and others] ; prepared in cooperation with the U.S. Bureau of Reclamation, Great Plains Region and the U.S. Bureau of Reclamation, Denver Office