Note 39 — Chapter VII · A TOUR OF THE GOLD-FIELDS

There is a map of the mining camps in H. H. Bancroft's History of California, vol. vi, pp. 368-369. Topographical details are given in the "Claim" sheets, issued by the United States Geological Survey. The inset in the map of Audubon's route, at the end of this volume, is intended to locate only the places visited by him.