Report of a study of the California highway system to the California Highway Commission and highway engineer. - Rev. 1921. - Washington, Govt. Print. Off., 1922. - 171 p. illus., tables. 32 cm. LCCN: agr23000070 Subjects--Topical Terms: Roads--California. LC Class. No.: TE24.C2 / A4 1921 National Agricultural Library Call No.: 288 / C122