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Grand Prismatic Spring
"Near Excelsior Crater is a large, placid hot lake, 300 feet long, of blue water, over which a veil of steam hovers which through an unusual
Haynes (Photographer), Special Collections/University Archives (Publisher)
1927
Gatun Upper Locks. Miter gate moving machine
Structural steel girders for towing locomotive track supports in foreground. June, 1912.
Handy (Photographer), Hallen (Photographer), Special Collections/University Archives (Publisher)
1912