;.. ■■ 1 -c The Progress —of the— OLD SPANISH TRAIL OH THE OLD SPANISH TRAIL riORIDA CAIIFORUIA-MEXICO Remarkable Engineering Achievements Linking Four Thousand Miles of Trunklines Across the Southern Borderlands Main Line, St. Augustine to San Diego, 2900 Miles BY IIARRAL B. AYRES A series of articles showing how the greatest of all highwavs is conquering difficulties and linking Florida, California and Mexico. Written and published in 1922. Revised and republished in 1923 in the interest of the combined Sixth National Convention of the Old Spanish Trail, the Second Annual Gulf Boulevard Conference, the Southern Road Congress, and the Parliament of Women on Highway Beautification, at New Orleans, March 26, 27 and 28, 1923. Including the War Department Statement, the Congressional Declaration, the Declaration for a Southern Trunkline System, the Convention Program, and other data and information. This Edition Published by the People of New Orleans 1923