Knightsville Dam, Borrow Pit 'C,' north bank, sample no. 1 - depth 12', Quabbin Reservoir, Mass., Apr. 24, 1941 , waterworks, reservoirs water distribution structures, engineering, borrow soil
Size: 4558px × 2901px
Photo credit: © piemags/DCM / Alamy / Afripics
License: Licensed
Model Released: No
Keywords:
