Apollinaris Spring, Yellowstone National Park, in 1987

By Yellowstone Volcano Observatory September 1987 (approx.)

water shoots from a rock wall, with forest in the background

Detailed Description

Apollinaris Spring in 1987. The spring was modified in 1925 so that water would flow through pipes to be emitted from a rock wall. Yellowstone National Park photo by Jim Peaco.

Sources/Usage

Public Domain.