Item 7895 - Ripogenus Dam, ca. 1920 Item 7895 - Ripogenus Dam, ca. 1920 Contributed by Maine Historical Society Item 7895 Zoom 4073px x 2407px - 13.6"w x 8.0"h @ 300dpi | Need a larger size? *Credit line must read: Collections of Maine Historical Society Image Info The Ripogenus Dam on the west branch of the Penobscot River, ca. 1920. Show Details