REMOVE

1. Sierra Nevada
2. Pyramid Lake
3. 1732

WHAT

1. Atlas Map (1)
2. Exploration Book (1)
3. Physical (1)

WHERE

1. Cave Valley (Nev.) (1)
2. Nevada (1)

WHO

1. Graphic Co. Photo-Lith. (1)
2. Hamel, P.W. (1)
3. Thompson, Gilbert (1)
4. U.S. (1)
5. Weyss, John E. (1)

WHEN

1. 1875 (1)
2. 1889 (1)