Geochemical data from the West Needle and West Needle Contiguous Wilderness study areas, San Juan and La Plata Counties, Colorado
By: by Scott D. Birmingham and Richard E. Van Loenen
Contributors: Van Loenen, Richard E; Geological Survey (U.S.)
Series: Open-file -- 83-814; Open-file report (Geological Survey (U.S.)) -- 83-814
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 1983
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Mines and mineral resources -- Colorado -- San Juan County; Mines and mineral resources -- Colorado -- La Plata County
Notes: Microfiche. [Denver, Colo. : U.S. Geological Survey, 1983?]. 2 microfiches ; 11 x 15 cm

Bibliography: p. 5