Harold Wiggs peers into a cave while standing in a pool of water. Wiggs accompanied explorer Robert Limbert during his travels into the Bruneau River Valley in 1921.
Printed in Robert W. Limbert's National Geographic article on his expeditions, this is an interior shot of what he called Amphitheater Cave in Craters of the Moon. "This is one of a series of eight caves found near the Bridge of Tears. It is an...
Five male explorers rest in the cave that explorer Robert W. Limbert named Amphitheater Cave. Limbert described the cave as being "explored for half a mile underground until we came across apparently fresh bear tracks when we turned around and came...
A photograph of a page in a geology text book discussing caves and caverns. This slide is part of a collection of teaching materials prepared by Edward Rhodenbaugh.
A cross section drawing of people exploring and excavating a cave. This slide is part of a collection of teaching materials prepared by Edward Rhodenbaugh.
Field trip notebook of Edward F. Rhodenbaugh, mostly in Idaho locations. Note: blank pages were not included in the digital copy, but included in the pagination.
