This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
FMIB Pile and Frame Dam.jpeg Pile and Frame Dam Subject DamsDesign and construction Tag Dams Cite book Construction of Mill Dams James Leffel and Co Springfield OH James Leffel Co Clarke Hall PDUWASHFMIB Institution University of Washington FMIBsource accession number Images from the Freshwater and Marine Image Bank to check