1. National highways map of the State of Pennsylvania : showing three thousand miles of national Creator: Mulford, John C Published / Created: 1915 Call Number: 774gmb 1915 Container / Volume: BRBL_00501A Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > National highways map of the State of Pennsylvania : showing three thousand miles of national highways proposed by the National Highways association / John C. Mulford, cartographer.