@misc{indiciae97ef6c019ca0, title = {Stratigraphy and foraminiferal zonation in some of the Tertiary rocks of southwestern Washington}, author = {Weldon W. Rau}, year = {1958}, doi = {10.3133/oc57}, url = {https://pubs.usgs.gov/publication/oc57}, note = {Source identifier: oc57} }