Keywords: FMIB 41319 Rampart Rapids, showing rock island partially submerged in midstream At times of high water this island is entirely under water.jpeg check categories 2 September 2015 2 Rampart Rapids showing rock island partially submerged in midstream At times of high water this island is entirely under water and is a dangerous menace in navigation Subject Yukon River Yukon and Alaska Rampart Rapids Yukon River Alaska Geographic Subject United States--Alaska--Yukon River Canada--Yukon--Yukon River Tag Limnology 1904 Cite book Report of the Operations of the U S Revenue Steamer Ninivak on the Yukon River Station Alaska 1899-1901 Cantwell J C Washington DC Government Printing Office 1904 Facing page 62 Creator J C Cantwell PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 41319 Images from the Freshwater and Marine Image Bank to check J C Cantwell Yukon River |