Keywords: FMIB 33243 View of a Step Dam.jpeg check categories 18 September 2015 2 View of a Step Dam Construction Just Finished Subject Earth dams Tag Dams 1905 Cite book Improvement of Rivers a Treatise on the Methods Employed for Improving Streams for Open Navigation and for Navigation by Means of Locks and Dams Thomas B F New York John Wiley Sons 1905 Facing Page 200 B F Thomas PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 33243 Images from the Freshwater and Marine Image Bank to check B F Thomas Earth dams |