Geologic map of the Twin Buttes quadrangle, McKinley County, New Mexico / Department of the Interior, U.S. Geological Survey ; by M.L. Millgate ; prepared in cooperation with the New Mexico Bureau of Mines and Mineral Resources
Series Titles:
Miscellaneous investigations series ; map I-2278 Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-2278.
Variant Titles:
Twin Buttes quadrangle, McKinley County, New Mexico, geologic map
1 map : color ; 57 x 47 cm, on sheet 71 x 96 cm., folded in envelope 30 x 24 cm.
General Note:
Relief shown by contours and spot heights. "Geology mapped in 1969-72, 1988; Completed in 1991." Includes text, bibliography, columnar section, and location map.