A detailed urban planning or noise-impact map labeled POS 21148 depicting the south Seattle/Burien area near Sea-Tac Airport, showing street grid references including S. 128th St., S. 136th St., S. 140th St., S. 142nd St., and S. 146th St., along with named landmarks such as Boulevard Park Elementary, Cedarhurst Elementary, Sunset Junior High, Glacier High, Sunny Terrace Elementary, Riverton Heights Elementary, Tub Lake, Lake Rebecca, Lora Lake, Miller Creek, Des Moines Way South, Military Road, and SR-518 (Renton–Three Tree Point Road). Zone designations (O-12 through O-17, N-17, P-17) suggest noise contour or land-use overlay classifications consistent with airport noise policy planning.