View of terraces of accreted calcareous silica at Mammoth Hot Springs in Yellowstone National Park in Wyoming. Shows mineral deposit formations and dead trees in the hot springs. Mountains and trees are in the distance.
Mammoth Hot Springs (Wyo.)--1870-1900.; Yellowstone National Park--1870-1900.; Springs--Yellowstone National Park--1870-1900.
Dr. Darrell Holmes presents a docotral degree to William E. Rapp (wearing glasses) during the commencement ceremonies at Colorado State College (now University of Northern Colorado). Dr. Holmes wears academic regalia, including a doctoral gown with...
Colorado State College--1950-1970.; Greeley (Colo.)--1950-1970.; Graduation ceremonies--Colorado--Greeley--1950-1970.; Universities & colleges--Colorado--Greeley--1950-1970.; Holmes, Darrell.; Rapp, William E.