'A.D. Knowlton, Mining Engineer, Pioche, Nevada; H.H. Snelgrove, Draftsman, Salt Lake City, Utah. Copyright 1909 Rufus K. Cobb.' Includes township and range grid; Includes wagon roads. Published by R.K. Cobb. Photocopy.
Note: The menu shows the distribution of the sits among the participants Menu insert: Toasts; Music Programs Restaurant: Trocadero Restaurant Location: Piccadilly Circus, W., London, England