Geological Exploration of the Fortieth Parallel
External Links
- Wikipedia
- Two members of King's expedition on one of the mounds in Pyramid Lake in Nevada. Photo by T.H. O'Sullivan.U.S. Geological Exploration of the Fortieth Parallel (King Survey). See Pyramid Lake
- "Photographs of the High Rockies," p. 32, Nevada Historical Society Quarterly, Spring, 1972. Images reproduced from Harpers Weekly, 1869. The title is incorrect, these are images of Nevada from the Geological Exploration of the Fortieth Parallel by King.