Continuous radon gas survey of the Twilight Mine
By: by John C. Franklin and Randall R. Marquardt.
Contributors: Marquardt, Randall F.; United States. Bureau of Mines
Series: Bureau of Mines Metal-Nonmetal Health and Safety/Health Program technical progress report -- 93; Bureau of Mines technical progress report -- TPR 93.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1976
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 16
Subjects: Radon.; Uranium mines and mining -- Colorado.; Twilight Mine (Colo.)
Notes: "January 1976."

Includes bibliographical references (p. 16).