Related
Ohio Slack Water Dams, Lock & Dam No. 4, East bank of Ohio River at mile point 18.6, along State Route 65, Ambridge, Beaver County, PA
Summary
Significance: Ohio Slack Water Dams, Lock and Dam No. 4, HAER No. PA-227-A was part of the fifty-two slackwater locks and dams constructed by the U.S. Army Corps of Engineers on the Ohio River, between 1877-1917. The Lock and Dam complexes on the Ohio River insured year-round depths of 9.0 feet from the Mississippi River to Pittsburgh, Pennsylvania.
Survey number: HAER PA-227-A
Building/structure dates: 1898-1908 Initial Construction
Building/structure dates: 1936 Subsequent Work
Building/structure dates: 1992 Subsequent Work
Tags
Date
1969 - 1980
Contributors
Historic American Engineering Record, creator
Sibert, William L
U.S. Army Corps of Engineers
Spalding, George R
Merill, William E
Baker Contracting Company
SE Technologies, Incorporated, Cultural Resource Management Group, contractor
Dwyer, James P, field team
U.S. Army Corps of Engineers, project manager
River Salvage Company, sponsor
Fox, Arthur B, historian
Williams, Richard, photographer
Location
Ambridge (Pa.), 40.60255, -80.23175
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
