Investigation of radon and helium as possible fluid-phase precursors to earthquakes
By: H. Craig ... [et al.] ; supported by the Earthquake Hazards Reduction Program.
Contributors: Craig, Harmon.; Geological Survey (U.S.); National Earthquake Hazards Reduction Program (U.S.)
Series: Open file report / U.S. Geological Survey -- open-file no. 81-278; Open-file report (Geological Survey (U.S.)) -- 81-278.
Publisher: Dept. of the Interior, U.S. Geological Survey
Published: 1981
Place of publication: [Denver, Colo.?]
Language: eng
Format: Microform
Number of pages: 36
Subjects: Earthquake prediction.
Notes: "USGS contract no. 14-08-0001-18348."

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1981]. 2 microfiches.