1. Sketch of General Riley's route through the mining districts : [of California] July and Aug. 1849 Creator: Derby, George Horatio, 1823-1861 Published / Created: 1850] Call Number: 844gfc 1849 Container / Volume: BRBL_00615 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Sketch of General Riley's route through the mining districts : [of California] July and Aug. 1849 / copied from the original sketch by Lt. Derby in the office of the 10t. Military Dept. by J.Mc.H. Hollingsworth, Asst.