Plan for town of Alessandro, San Bernardino, County, Cal. / Wm. Ham. Hall, Dec. 10th, 1892.Hall, Wm. Ham. (William Hammond)1892?]"This plan is based upon a sketch-plan prepared by Wm. Ham Hall in October 1892, and on the amendments ... proposed by F.L. Olmsted & Co., of Brookline, Mass. ... dated Nov. 19th, 1892, and is still subject to amendment ... December 27th, 1892 ...."Relief shown by contours.cartographic