Seismic velocities from borehole measurements at four locations along a fifty-kilometer section of the San Andreas fault near Parkfield, California
By: by James F. Gibbs ... [et al.]
Contributors: Gibbs, James F; Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report -- 90-248
Publisher: U.S. Geological Survey; Books and Open-File Reports Section, distributor
Published: 1990
Place of publication: [Denver, Colo.?
Language: eng
Format: Microform
Number of pages: 35
Subjects: Seismic waves -- Measurement; Seismology -- California -- Parkfield Region; Faults (Geology) -- California -- Parkfield Region; San Andreas Fault (Calif.)
Notes: Distributed to depository libraries in microfiche

Includes bibliographical references (p. 17)

Microfiche. [Denver, Colo.? : U.S. Geological Survey, 1990?] 1 microfiche : negative

s 1991 cau n