TY  - BOOK
AU  - Hheppard,Richard A.
AU  - Gude,Arthur J
TI  - Diagenesis of Tuffs in the Barstow formation, mud hills, San Bernardino County, California
U1  - 552.2309794 
PY  - 1969///
CY  - Washington, D.C
PB  - United States Government Printing Office
KW  - Tuffs
KW  - California
KW  - Geology
KW  - Survey
ER  -