Stearns, R. E. C. (1906). Fossil Mollusca from the John Day and Mascall beds of Oregon. Bulletin of the Department of Geological Sciences, University of California. 5(3): 67-70.
377038
Stearns, R. E. C.
1906
Fossil Mollusca from the John Day and Mascall beds of Oregon
Bulletin of the Department of Geological Sciences, University of California