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(21 - 33 of 33)
Tom Lawrence at controls of Guyed mast derrick
Base structure before starting revolving dome
Schmidt-type 18″ telescope dome building
Steam shovel with graffiti
Chemistry Faculty Group
Utility Hill showing cottage #3, Power House and residence
One shutter arch complete
Steam shovel with graffiti
Finsler’s comet
Two sections of shutter arches in place
Edward Crellin in front of construction
Breakfast scene in the Grand Canyon, Carnegie Institution expedition
Construction of Crellin showing the north wall