Margaret Limbert (far right) stands in a line with three unidentified women wearing long skirts. They are standing inside what Robert W. Limbert named "Indian Cave," which was located 18 miles northwest of Boise.
Margaret Limbert (top row, far right) and Robert W. Limbert (bottom row, far right) pose with six unidentified men and women inside a dark room with a low ceiling. Graffiti is scattered across the walls, including the words "George" and "Bill."
Four men from the expedition examine the lava formations while carrying rifles and camping supplies. From left to right: Ad Santel, two unidentified men, and Robert W. Limbert. This photograph was printed in the 1924 National Geographic article,...
Robert W. Limbert skins a deer on the floor of his Boise home. Daughter Margaret (left, sitting next to doll), son Robert, and wife Margaret holds daughter Grace. A Nebraska pennant hangs on the wall behind Margaret.
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...
Robert W. Limbert stands behind his camera and films a large explosion pit found at the east end of the area. Two unidentified men stand on either side of him.
Harold Wiggs, who explored the Bruneau Canyon area with Robert Limbert in 1921, stands in the river at the bottom of the canyon with a walking stick. The foliage shown in this picture, growing alongside the river, is an example of vegetation...
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.
This formation was named by W.L. Cole and Robert W. Limbert on their 1920 expedition into the region. The bridge was named by Limbert and Cole in 1920 after a man on the trip hit his head on the underside of the bridge hard enough to bring tears to...
The 1921 expedition members pose for a photograph in front of a natural bridge. The bridge was named by Robert W. Limbert and W. L. Cole in 1920 after a man on the trip hit his head on the underside of the bridge hard enough to bring tears to his...
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...
A row of hundreds of people from the neighboring town of Arco line up to greet the expedition upon their arrival at the end of the trip. A large picnic followed in town.