TY - BOOK ED - United States. TI - Model airport hazard zoning ordinance PY - 1972///] CY - [Washington, D.C. KW - Airport zoning KW - United States N1 - Sept. 19, 1972; Cover title; Distribution made by issuing office; Advisory circular 150/5190-3A; [Issued with perforations]; 4to; [Cancels AC 150/5190-3, Model airport zoning ordinance, Jan. 16, 1967]; CRDP Program Historic Shelflist record ER -