REMOVE

1. Data Visualization
2. Separate Map
3. Mining
4. Nevada

WHAT

1. Geology (1)
2. Panorama Round (1)

WHERE

1. California (1)
2. Virginia City (Nev.) (1)
3. Washoe (1)

WHO

1. Cooper, J.J. (1)
2. Edward Vischer (1)
3. Guillemin-Tarayre, Edmond (1)
4. Lemercier (1)
5. Nagel, Fishbourne & Kuche … (1)
6. Vischer, Edward (1)

WHEN

1. 1861 (1)
2. 1864 (1)