Foraminifera from the Tertiary of western Oregon,
by Joseph A. Cushman, and Roscoe E. and Katherine C. Stewart. Prepared under a joint project of the State Dept. of Geology and Mineral Industries and the U.S. Geological Survey.
- Portland, State Print. Dept., 1947-49.
- 2 v. (208 p.) illus., maps. 23 cm.
- Oregon. Dept. of Geology and Mineral Industries Bulletin no. 36 .
- Oregon. Department of Geology and Mineral Industries. Bulletin no. 36. .