Frank Jay Hayens (American, 1853-1921). Glass plate negative of an exploding Old Faithful geyser in Yellowstone National Park, circa 1880s. With his copyright, signature, and “St. Paul” visible along the lower left corner.

Sight; Height: 16 1/2 in x width: 11 1/2 in.
Framed; Height: 18 3/4 in x width: 13 3/4 in.