Climatic Map Of California. Published By The Southern Pacific Company. 1888. Compiled by E. McD. Johnstone, S.P. Co. From Map Prepared Under The Direction Of Brig. Gen. H.C. Wright, Chief Of Eng'rs. U.S.A. Lith H.S. Crocker & Co. S.F. Cal. Entered ... 1887, by the Southern Pacific Company ... Washington