TY - BOOK ED - United States. TI - Procedures for handling airspace matters handbook, change 1 PY - 1974///] CY - [Washington, D.C. KW - Airspace (Law) KW - United States KW - Handbooks, manuals, etc N1 - [Dec. 17, 1974]; 4to; [Effective Apr. 1, 1975. Issued with perforations]; Distribution made by issuing office; CRDP Program Historic Shelflist record ER -