Black Hawk from C. C. R. R. [Central Colorado Railroad]. August 31st, 1881.

Black Hawk. This place is noted for its quartz mills, distance 40 miles from Denver, elevation 8200 ft.

Keystone Peak from Gray's Peak, Continental Divide, Colorado, U.S.A.

View of Gray's [Grey's] Peak looking through the Pinery above Huntsville.