Holes for demolition explosives are drilled to blast main canal from Roosevelt Lake to Coulee Cityhttps://digitalcommons.cwu.edu/rufus_woods/1220/thumbnail.jp
Drilling for preparation for foundation of Grand Coulee Dam.https://dc.ewu.edu/blonk/1063/thumbnail....
Workmen place concrete in a monument to support a plaque that will dedicate Lake Roosevelthttps://di...
Water released at night into a concrete tunnel at the Grand Coulee Dam construction site.https://dc....
Demolition explosives put in place for excavation of Bacon Siphon near Coulee City, Washingtonhttps:...
Preparation for constructing the pumping station to bring water from Lake Roosevelt into the Grand C...
Trench dug for reservoir area of North Coulee Damhttps://digitalcommons.cwu.edu/rufus_woods/1355/thu...
Monighan excavating Main Canal of Bacon Coulee Tunnelhttps://digitalcommons.cwu.edu/rufus_woods/1231...
South Coulee Dam main canal headworkshttps://digitalcommons.cwu.edu/rufus_woods/1345/thumbnail.jp
South Coulee Dam main canal headworkshttps://digitalcommons.cwu.edu/rufus_woods/1345/thumbnail.jp
Excavation work for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1122/thumbnail.jp
Excavation work for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1122/thumbnail.jp
Close up of diversion channels used in the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk...
Fifteen-yard dragline bucket used to excavate main canal near Coulee City, Washingtonhttps://digital...
Panama Canal. Gaillard (Culebra) Cut, Churn Drills Run by Compressed Air Making Openings for Dynamit...
Drilling for preparation for foundation of Grand Coulee Dam.https://dc.ewu.edu/blonk/1063/thumbnail....
Drilling for preparation for foundation of Grand Coulee Dam.https://dc.ewu.edu/blonk/1063/thumbnail....
Workmen place concrete in a monument to support a plaque that will dedicate Lake Roosevelthttps://di...
Water released at night into a concrete tunnel at the Grand Coulee Dam construction site.https://dc....
Demolition explosives put in place for excavation of Bacon Siphon near Coulee City, Washingtonhttps:...
Preparation for constructing the pumping station to bring water from Lake Roosevelt into the Grand C...
Trench dug for reservoir area of North Coulee Damhttps://digitalcommons.cwu.edu/rufus_woods/1355/thu...
Monighan excavating Main Canal of Bacon Coulee Tunnelhttps://digitalcommons.cwu.edu/rufus_woods/1231...
South Coulee Dam main canal headworkshttps://digitalcommons.cwu.edu/rufus_woods/1345/thumbnail.jp
South Coulee Dam main canal headworkshttps://digitalcommons.cwu.edu/rufus_woods/1345/thumbnail.jp
Excavation work for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1122/thumbnail.jp
Excavation work for the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk/1122/thumbnail.jp
Close up of diversion channels used in the construction of Grand Coulee Dam.https://dc.ewu.edu/blonk...
Fifteen-yard dragline bucket used to excavate main canal near Coulee City, Washingtonhttps://digital...
Panama Canal. Gaillard (Culebra) Cut, Churn Drills Run by Compressed Air Making Openings for Dynamit...
Drilling for preparation for foundation of Grand Coulee Dam.https://dc.ewu.edu/blonk/1063/thumbnail....
Drilling for preparation for foundation of Grand Coulee Dam.https://dc.ewu.edu/blonk/1063/thumbnail....
Workmen place concrete in a monument to support a plaque that will dedicate Lake Roosevelthttps://di...
Water released at night into a concrete tunnel at the Grand Coulee Dam construction site.https://dc....