Directions to a place explorer Robert W. Limbert noted in a file called "places to look up." Handwritten on his own letterhead, the directions are written starting in Shoshone, Idaho, and ends with looking into a bat cave close to Richfield, Idaho.
Robert W. Limbert uses an air pump to inflate an automobile flat tire on a dirt road. The sign inside the windshield of the car reads "Boise Chautauqua, June 28 to July 5"
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.
Hand colored Bruneau Canyon photograph, taken and colored by Robert W. Limbert. This view is similar to photograph MSS 80 252. First found and named "Le Canyon de Brun" (Canyon of Brown) by French Canadian fur trappers, the Bruneau Canyon was...
View of Bruneau Canyon from the opposite side of the Bruneau River. Robert W. Limbert and H.C. Wiggs of Omaha explored the Bruneau Valley in 1921 and later publicized their travels in publications and newspapers.
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 photograph captures the Bruneau River from the bottom of the canyon. First found and named "Le Canyon de Brun" (Canyon of Brown) by French Canadian fur trappers, the Bruneau Canyon was publicized by Robert Limbert in numerous publications,...
While visiting Chicago on a publicity tour, Robert W. Limbert and two police officers inspect their revolvers. Limbert was rumored to have challenged Al Capone and other Chicago gangsters to a gunfight after the 1929 St. Valentine's Day Massacre.
Two Chicago policeman pretend to arrest Robert W. Limbert during a visit to Chicago. During his publicity tour, Limbert worked with the Chicago Police Department to improve their shooting skills.
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.
View from the top of Clear Creek Summit, looking south. An automobile sits among a forest of trees with Robert W. Limbert (left) and Lieutenant Shellworth (right).
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...