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.
Scattered in the lava ash were hundreds of bear tracks that could be traced for miles. The rumor of a dwarf grizzly bear was one of the initial reasons why Robert W. Limbert wanted to explore the unnamed Craters of the Moon area since the mid-1910s.
Robert W. Limbert's hand-drawn map of the Cinder Butte Region located near Arco, Idaho. The map includes drawings of wagon roads, horse trails, routes traveled by Limbert, camps, volcanic craters, and a scale.
Flyer designed by Robert W. Limbert inviting people to visit the new national monument, established by U.S. President Calvin Coolidge to "preserve the unusual and weird volcanic formations."
Robert W. Limbert and his exploration party stop to pose on a large volcanic mass. Two men stand on parts of the volcanic rock, while another man sits inside.
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...
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...
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...
Robert W. Limbert used this pocket sextant thermometer-barometer-compass for his explorations into what was later named the Craters of the Moon National Monument.
