Title: Preliminary geologic map of the Grey Hill Spring quadrangle, San Juan and McKinley counties, New Mexico /
Authors: O'Sullivan, Robert Brett, 1923-; Weide, David L.; Scott, Glenn R., 1918-2012.; Geological Survey (U.S.); United States.; Navajo Tribe of Arizona, New Mexico & Utah.
Publisher: The Survey ; For sale by Map Distribution,
Year: 1989
Subjects: Geology New Mexico San Juan County Maps.; Geology New Mexico McKinley County Maps.; San Juan County (N.M.) Maps.; McKinley County (N.M.) Maps.