Huggins, Eleanor M. 1929- Adventures on & off Interstate 80 : : natural and human history along the Pioneer and Gold Rush Corridor from San Francisco's Pacific shore to Nevada's desert sands / [electronic resource] / by Eleanor Huggins, John Olmsted ; illustrations by Carolyn L. Ryan and Andrea Hendrick.. — Palo Alto, Calif. : Los Altos, Calif. : : Tioga Pub. Co. ; : Distributed by W. Kaufmann,, c1985.. — xxiii, 254 p. : : ill., maps ; 23 cm.