Characterization of the Hosgri Fault Zone and Adjacent Structures in the Offshore Santa Maria Basin, South-Central CaliforniaC. Richard Willingham, Jan D. Rietman, Ronald G. Heck, William R. Lettis, U.S. Department of the Interior Staff · First published 2013Open the Tome
Quaternary GeochronologyJay Stratton Noller, Janet M. Sowers, William R. Lettis · First published 2013Open the Tome
Dating and earthquakesJanet M. Sowers, William R. Lettis, U. S. Nuclear Regulatory Commission · First published 1998Open the Tome
Late Cenozoic stratigraphy and structure of the western margin of the central San Joaquin Valley, CaliforniaWilliam R Lettis · First published 1982Open the Tome