Strip map of automobile routes between Los Angeles and Camp Baldy including Mountain Avenue, Euclid Avenue and Foothill Boulevard. Bounded by Mount Baldy (top), Upland (bottom), Claremont (left), Cucamonga Canyon (right). Due north is up. Principal features: municipalities, roads, railroads, road names, mileages, natural features, elevations. Other prominent locations: Iron Mountain, Hogback, Stoddard Camp, San Antonio Park, San Antonio Heights. Printed at the bottom is "358" and "ACB". Printed at the bottom, outside the map itself, is "81" and, at top, "When roads are marked red indicates paved portion, blue unpaged portion".