Thirty Mile River is the stretch of the Yukon River between lower Lake LaBerge and the Hootalinqua or Teslin River . Caption on image: "Gov. Pingree. Thirty Mile River" Original image in Hegg Album 16, page 15 . Original photograph by Eric A. Hegg B310; copied by Webster and Stevens 256.A. *Subjects (LCTGM): Steamboats--Yukon; Rivers--Yukon *Subjects (LCSH): Gov. Pingree (Steamboat); Yukon River (Yukon and Alaska)