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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, 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