Folder: S.F. Police-Policemen-Olstad, Ralph.
Newscopy: "Lifesaver--First of San Francisco's new hillside parking signs is demostrated by (l. to r.): Harry A. Lee, Director, San Francisco Chapter National Safety Council; Ross Shoaf, City Traffic Engineer; Capt. Ralph Olstad, Capt. of Traffic. Painted green and white, the sign measures 30 by 26 inches."