Alt. title from cover. Stamp: From W. B. Walkup, Framer and Map Mounter, No. 543 Clay St., S.F. Accompanied by an explanatory pamphlet by the author in a separate envelope filed with the folio. Submaps: Ethnographic - Linguistic Map of Sinaloa; Profile of Sinaloa: First Sketch of Geological Map of Sinaloa. MS notes: No. 353. Prime meridian: GM. Relief: hachures. Projection: Cylindrical. Printing Process: Lithography.
1 map ; hand col. ; 91 x 75 cm., sheet 93 x 76 cm.