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Primary view of Northwest Shovel and Euclid Truck
Breitenstein, Frank C.
November 13, 1941
Primary view of Drilling Operations for Grouting Leaks
Breitenstein, Frank C.
November 13, 1941
Primary view of Panorama 1 of 4
Parker, D. B.
November 13, 1946
Primary view of Panorama 2 of 4, J. W. Watson Farm
Parker, D. B.
November 13, 1946
Primary view of Panorama 4 of 4, J. W. Watson Farm
Parker, D. B.
November 13, 1946
Primary view of Panorama 4 of 4, J. W. Watson Farm
Parker, D. B.
November 13, 1946
Primary view of Caterpillar Pulling Sheepsfoot Roller
Parker, D. B.
November 13, 1946
Primary view of Completed Drop
Parker, D. B.
November 13, 1946
Primary view of Elevating Grader
Parker, D. B.
November 13, 1946
Primary view of Elevating Grader
Parker, D. B.
November 13, 1946
Primary view of Excavation through Shale
Parker, D. B.
November 13, 1946
Primary view of Forms and Reinforcing Steel
Parker, D. B.
November 13, 1946
Primary view of Mixing and Placing Operations
Parker, D. B.
November 13, 1946
Primary view of Sheepsfoot Roller Being Pulled by Caterpillar
Parker, D. B.
November 13, 1946
Primary view of Hard Shale and Limestone Spines
Parker, D. B.
November 13, 1946
Primary view of Tamping Core Trench
Breitenstein, Frank C.
November 13, 1941
Primary view of Visitor Picture
Breitenstein, Frank C.
November 13, 1941
Primary view of Northwest Shovel and Euclid Truck
Breitenstein, Frank C.
November 13, 1941
Primary view of Grader Sloping
Breitenstein, Frank C.
November 13, 1941
Primary view of Drilling Rig Operations
Breitenstein, Frank C.
November 13, 1941
Primary view of Alfalfa Bales
George, P. W.
November 13, 1948
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