Lou Cooper Lou Cooper travelled from Forty Mile to the Klondike River with George and Kate Carmack in June 1896. In late July, Cooper had a quartz claim on the west side of the Yukon River across from the Klondike River.((James Albert Johnson, //Carmack of the Klondike.// Epicenter Press and Horsdal & Schubart, 1990: 66, 69.))