On the relation of the Laramie molluscan fauna to that of the succeeding fresh-water Eocene, and other groups /
by Charles A. White, M.D.
- Washington, Govt. Print. Off., 1886.
- 54 p. : incl. v pl. ; 24 cm.
- U.S. Geological survey. Bulletin no. 34 .
- Geological Survey (U.S.). Bulletin ; no. 34. .