Preliminary results of radiometric reconnaissance of parts of the northwestern San Juan Mountains Colorado
By: by W.S. Burbank and Charles T. Pierson
Series: Geological Survey circular -- 236; Circular (Geological Survey (U.S.)) -- 236.
Publisher: U.S. Geological Survey
Published: 1953
Place of publication: [Washington]
Language: eng
Number of pages: 11
Subjects: Radiation; Measurement; Uranium ores
Notes: Cover title.

Two folded maps in pocket.