Geological researches in China, Mongolia, and Japan, during the years 1862-1865.
By Raphael Pumpelly.
- [Washington, Smithsonian institution, 1866]
- vii, 161 p. illus. 33 cm.
- Smithsonian contributions to knowledge. [vol. xv, art. 4] Smithsonian institution publication 202 .
- Smithsonian Institution. Smithsonian contributions to knowledge ; v. 15, art. 4. .