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Foundation Company (The).
9 Cubic feet (17 boxes, 28 map-folders)
- Collection ID:
Archives Center, National Museum of American History
These records include sketches, drawings, blueprints, contracts, and reports relating to highway and railroad bridges, tunnels, subways, mine shafts, canals and waterways, dams, concrete buildings, concrete construction, derricks and derrick barges, cranes, caissons and caisson construction, air locks, pumps, jacks, engines, and turbines; also phot...