Chart correction 37/20 — chart 54330
54330 2Ed. 6/11/77 LAST NM 33/20 37/20 (Plan A) Add Submarine power cable [L31.1] joining 37°25′59.0″N 25°19′21.8″E 37°25′59.2″N 25°19′15.8″E 37°26′42.8″N 25°18′15.1″E 37°26′45.1″N 25°18′04.7″E 37°26′49.3″N 25°17′59.4″E 37°26′49.7″N 25°17′47.0″E 37°26′53.6″N 25°17′43.6″E 37°26′56.7″N 25°17′35.8″E 37°26′56.8″N 25°17′25.6″E 37°26′54.1″N 25°17′18.2″E 37°26′48.2″N 25°17′13.0″E 37°26′22.6″N 25°17′03.5″E 37°25′52.5″N 25°17′02.9″E 37°25′44.8″N 25°16′57.1″E 37°25′36.3″N 25°16′56.9″E 37°25′27.8″N 25°17′02.8″E 37°25′15.6″N 25°17′10.7″E 37°23′20.0″N 25°17′21.8″E (5(65, 66)20 Athens)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 6/11/77
Reference information — always verify against official Notices to Mariners before navigation.