AMS 1. North Decimal Degree 31.000000. South Decimal Degree 30.5000. East Decimal Degree -6.0000. West Decimal Degree -6.5000. Alternate title: No. 36 Timidert. Polyconic projection. Northwest Africa zone grid. Relief shown by form lines and spot heights. "Compiled from Service Geographique du Maroc 1:100,000, 1936 to 1940. Road classifications corrected from Army Map Service Road Map Northwest Africa, 1:1,000,000, 1942.". AMS 1.