TY  - BOOK
AU  - Pearson,Robert Carl
AU  - Obradovich,John D.
ED  - United States
TI  - Eocene rocks in northeast Washington--radiometric ages and correlation: the genetic relations among numerous patches of volcanic rocks 
T2  - Geological Survey bulletin
U1  - 551.78 
PY  - 1977///
CY  - Washington, D.C
PB  - United States Government Printing Office
KW  - Geology, Stratigraphic
KW  - Eocene
KW  - Potassium-argon dating
KW  - Stratigraphic correlation
KW  - Washington (State)
KW  - British Columbia
KW  - Geology
KW  - Surveys
N1  - Bibliography: p. 32-34
ER  -