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![map from "[Manual of Geology: treating of the principles of the science with special reference to American geological history ... Revised edition.]"](https://cache.getarchive.net/Prod/thumb/cdn8/L3Bob3RvLzE4OTUvMTIvMzEvbWFwLWZyb20tbWFudWFsLW9mLWdlb2xvZ3ktdHJlYXRpbmctb2YtdGhlLXByaW5jaXBsZXMtb2YtdGhlLXNjaWVuY2Utd2l0aC1zcGVjaWFsLWQ0NzdiOS02NDAuanBn/40/26/webp "map from \"[Manual of Geology: treating of the principles of the science with special reference to American geological history ... Revised edition.]\"")
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Related
Garrison Dam, Spillway, State Route 200 at Missouri River, Riverdale, McLean County, ND
Summary
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: N1593
Survey number: HAER ND-15-E
Building/structure dates: 1952-1957 Initial Construction
Building/structure dates: 1964 Subsequent Work
Building/structure dates: 1985 Subsequent Work
Building/structure dates: 2012 Subsequent Work
Tags
Date
1969 - 1980
Location
mclean county
Source
Library of Congress
Copyright info
No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html
