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Derrick Boom Overhead
Caption says, "A-41 Altus Project. Stiff-leg derrick boom over head lifting huge granite rocks into place for plug and feather drilling."
Date:
January 10, 1941
Creator:
Breitenstein, Frank C.
System:
The Gateway to Oklahoma History
WPA Rock Crushers
WPA laborers using rock crushers that are sitting on a granite wall and dumping into a large pile of already crushed granite. Caption says, "A-40 Altus Project. WPA rock crushers Nos. 9 and 11 mounted on a masonry foundation of granite blocks on south edge of rock quarry. Granite that is too small for squaring into blocks will be crushed into material for concrete."
Date:
January 10, 1941
Creator:
Breitenstein, Frank C.
System:
The Gateway to Oklahoma History