Garstin, D. V.
Desert Riders trail map / by D.V. Garstin & N.K. Blanchard.
[Washington, D.C. : U.S. Geological Survey?], 1965.
Relief shown by contours and spot heights.
Shows trails in lands around San Bernardino National Forest and Agua Caliente Indian Reservation in Riverside County, Calif.
Below scale: U.S. Geological Survey.
Riverside County (Calif.) -- Maps.
Trails -- California -- Riverside County -- Maps.
Maps. lcgft
Blanchard, N. K.
Philadelphia Area Center for History of Science
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