Regulations last checked for updates: May 03, 2025

Title 33 - Navigation and Navigable Waters last revised: Apr 29, 2025
§ 167.3 - Geographic coordinates.

Geographic coordinates are defined using North American 1927 Datum (NAD 27) unless indicated otherwise.

[CGD 90-039, 59 FR 21937, Apr. 28, 1994]
authority: 46 U.S.C. 70001,70003; Department of Homeland Security Delegation No. 0170.0
source: CGD 81-080, 48 FR 36456, Aug. 11, 1983, unless otherwise noted.
cite as: 33 CFR 167.3