Hamilton Street Dam, Lehigh River upstream of Hamilton Street Bridge, Allentown, Lehigh County, PA

Significance: The Hamilton Street Dam is an integral part of the Lehigh Canal, which was of major economic importance in the development of industry in the Lehigh Valley in the nineteenth century. The V-shaped, wooden and rock crib dam provided all the water needed to operate the canal's Section 7 which passes through Allentown and Bethlehem.

Survey number: HAER PA-89

Building/structure dates: 1829 Initial Construction

Building/structure dates: 1829-1942 Subsequent Work

vehicular bridges civil engineering historic sites iron industry recreation allentown hamilton dam hamilton street dam lehigh river bridge hamilton street bridge lehigh county pennsylvania history of allentown pennsylvania allentown pennsylvania images heritage conservation and recreation service historic american engineering record lehigh coal and navigation company jet lowe robert g miller pennsylvania department of environmental resources peter h stott jean p yearby photo ultra high resolution high resolution biblical events bethlehem infrastructure library of congress

1969 - 1980

Library of Congress

http://www.loc.gov/

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