Garrison Dam, Intake House, 597 Garrison Dam Road, Riverdale, McLean C...
Significance: The intake house was built to take water in from Lake Sakakawea and conduct it to the powerhouse (HAER ND-15-A) via penstocks and surge tanks (HAER ND-15-B). The intake house maintained trash rack... More
Garrison Dam, Switchyard, 597 Garrison Dam Road, Riverdale, McLean Cou...
Field notes for HAER ND-15-A, Garrison Dam Powerhouse, include information about the switchyard. Significance: The switchyard provides generator and line protection, voltage and and amperage monitoring, and pow... More
Garrison Dam, Powerhouse, 597 Garrison Dam Road, Riverdale, McLean Cou...
Significance: The powerhouse was built to generate electrical power via hydroelectric turbines and generators, using the water impounded in Lake Sakakwea as its energy source. The electricity feeds into the Wes... More
Garrison Dam, Spillway, State Route 200 at Missouri River, Riverdale, ...
Significance: The spillway was built to release excess water from Lake Sakakawea whenever high water threatens to overtop and destroy Garrison Dam. Unprocessed Field note material exists for this structure: N1... More
Garrison Dam, Powerhouse, 597 Garrison Dam Road, Riverdale, McLean Cou...
Significance: The powerhouse was built to generate electrical power via hydroelectric turbines and generators, using the water impounded in Lake Sakakwea as its energy source. The electricity feeds into the Wes... More
Garrison Dam, Project Administration Building, 201 1st Street, Riverda...
Significance: The Project Administration Building was built to supply office space for staff managing the construction of Garrison Dam, and it serves as administrative offices for the dam today. Its symmetrical... More
Garrison Dam, Penstocks and Surge Tanks, 597 Garrison Dam Road, Riverd...
Significance: The penstocks and surge tanks were built to conduct water from the intake house (HAER ND-15-D) at Lake Sakakawea to the powerhouse (HAER ND-15-A). The surge tanks primarily provide pressure relief... More