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
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
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