edited by Richard E. Casey and John A. Barron ; [prepared for presentation at the 1986 annual Convention of the Pacific Section of the Society of Economic Paleontologists and Mineralogists held in Bakersfield, California] April 16-19, 1986
Date
[1986]
Series
Special publication / Pacific Section, Society of Economic Paleontologists and Mineralogists ; book 45
sponsored by U.S. Geological Survey, Volcano Hazards Program ; editors and convenors David P. Hill, Roy A. Bailey, Allan S. Ryall ; compiled by Muriel Jacobson