Washington: Government Printing Office, 1909.
First Edition. Softcover. good. 9 x 11.5 inches. 96 pp, with folding map in rear pocket. Additional maps in text, illustrations from photographs. Original wrappers bound into a three-hole cardstock binder. Previously owned by the Union Oil Company of California, with their ownership stamps on front wrapper and title page, as well as several pages (on the lower margin) throughout the book. USGS (United States Geological Survey) Professional Paper 61.