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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

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

description

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

date_range

Date

1969 - 1980
person

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
place

Location

Ambridge (Pa.)40.60255, -80.23175
Google Map of 40.6025477, -80.2317525
create

Source

Library of Congress
copyright

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

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