Chart correction 52/20 — chart 502

★502 (INT 802) 2Ed. 7/23/83 LAST NM 24/18 52/20 Add Danger circle “Obstn” [K40] (PA) 32°19′N 119°32′W (NOS) ★520 127Ed. 8/22/81 LAST NM 44/19 52/20 Add Danger circle “Obstn” [K40] (PA) 32°19′N 119°32′W (NOS) ★11345 36Ed. 11/20 NEW EDITION 52/20 (NOS)

Source: NGA U.S. Notice to Mariners · edition: 2Ed. 7/23/83

Reference information — always verify against official Notices to Mariners before navigation.