Rock Sub-grade with the concrete piles beyond are seen from ...
Conduit section B forms for footing as seen from the north of ...
Conduit section B forms and steel for footing are seen near ...
Placing the first concrete footings near station 81 of the ...
The American Dam conduit section B forms and footing.
Underpinning completed between sections 78 and 80 of the ...
The competed section and the western cofferdam as seen form the ...
Pumping out the western cofferdam, as seen from the west bank.
Over 4000 cubic square feet of water passing through the eastern ...
The view from the northwest (from pier nine) of men building the ...
Raising the grade of the southern dyke of the western cofferdam ...
The temporary earth dyke across the floor slab near pier two of ...
A Barber-Greene conveyor closes the gap in the downstream dyke ...
The downstream dyke of the western cofferdam (as seen from the ...
The beginning of the downstream dyke of the western cofferdam. A ...
Pouring the eastern half of the highway culvert of the American ...
The P & H dragline excavator casting rock to the river levee at ...
Casting rock for the river levee (at stations 69 and 50) of the ...
The downstream slab of the American Dam as seen from the east ...
The bonded riprap used to reinforce panels one through eight of ...
Cleaning the upstream slab of the American Canal (view from the ...
Looking from the south, gate number three is open, gate number ...
Conduit section "B" from north of Station 81 and 50 of the ...
