Provisional GSGS series 4229. First Edition-AMS 2. Copied from an Italian Istituto Geografico Militare map dated 1937 using air photos. Compiled by the U.S. Army Map Service in 1943. Reproduced by 512 Fd. Survey Coy., R.E., Mar., 1943. Printed by 524 Pal. C. Fd. Survey Coy., R.E., Mar., 1943. The meridians are based on the meridian of Rome, which is 12 degrees, 27 minutes and 7.1 seconds east of Greenwich. Contours at 25 metres interval. South Italy Zone Grid (Blue).