Pacific northwest cenozoic biostratigraphy / edited by John M. Armentrout
Geological Society of America
Pacific northwest cenozoic biostratigraphy / edited by John M. Armentrout - - Boulder Geological Soc. America, 1981 - 172 p. 28 cm - .
0-8137-2184-90
Geology, Stratigraphic-Cenozoic
Geology-Pacific Coast (Or.)
Geology-Pacific Coast (Wash.)
Northwest, Pacific
551.7 Geo
Pacific northwest cenozoic biostratigraphy / edited by John M. Armentrout - - Boulder Geological Soc. America, 1981 - 172 p. 28 cm - .
0-8137-2184-90
Geology, Stratigraphic-Cenozoic
Geology-Pacific Coast (Or.)
Geology-Pacific Coast (Wash.)
Northwest, Pacific
551.7 Geo