GREAT LAKES DREDGE & DOCK COMPANY RIVER & HARBOR IMPROVEMENTS
PILE DRIVERS, LOCOMOTIVE CRANES, CRAWLER CRANES, CONCRETE MIXERS, SHOVELS, CONVEYOR CABLEWAYS, TRACTOR CRANES, DIVING OUTFITS EXCEPT THE SUITS, HOSE LINES, AND CABLE LINES THEREOF; LOCOMOTIVES, DIPPER DREDGES, HYDRAULIC DREDGES, AND CLAMSHELL DREDGES, ALL EMPLOYED IN RIVER AND HARBOR IMPROVEMENTS
Expired · July 21, 1927 · 71252382 ·