StacksVerified U.S. regulatory reference

46 CFR §7.20

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)A line drawn from Chatham Light to latitude 41°36.1′ N. longitude 69°51.1′ W. (Pollack Rip Entrance Lighted Horn Buoy “PR”); thence to latitude 41°26.0′ N. longitude 69°46.2′ W. (Great Round Shoal Channel Lighted Buoy “2”); thence to Sankaty Head Light.
  2. (b)A line drawn from the westernmost extremity of Nantucket Island to the southwesternmost extremity of Wasque Point, Chappaquiddick Island.
  3. (c)A line drawn from Gay Head Light to Block Island Southeast Light; thence to Montauk Point Light on the easterly end of Long Island.