Copper River, Alaska : Pacific Steam Whaling Co., all American Route ...[1897?]Accompanying page entitled "Sitka and Ounalaska U.S.mail route …"In pencil on verso (folded): Beinecke / Library / Zc86 / 897cq.In pencil on verso (folded): Source unknown.Recto has 12 sections containing illustrations, text and 1 map.Verso has 1 large color map entitled "Pacific Steam Whaling Company’s map of Alaska".Yale proprietary stamp on lower right corner of map.mixed material