4 pp., folding to make 8 columns. 3 illustrations from photographs; double-page bird's-eye view/map. 23.5x10.5 cm (9¼x4") (folded size), pictorial wrappers, stapled.
Scarce little schedule/map of the Monticello Steamship Co. route on San Francisco Bay, connecting to the Napa Valley Electric R.R. OCLC/WorldCat lists only copy at U.C. Berekeley and the University of Michigan, and both of those seem to be later issues.