Map of the Forest Hill Divide, Placer County, California : based upon surveys and examinations by Ross E. Browne ; drawn by John D. Hoffmann, 307 Sansome St., S.F.Hoffmann, John D., draughtsman1890"Prepared for the tenth annual report of the State Mineralogist."Includes 20 cross sections.Oriented with north toward the upper right.Relief shown by spot heights.cartographic