Départements et organismes du gouvernement américain
Maritime Administration
www.marad.dot.gov
The Federal Register
www.acon.gpo.gov
U.S. Army Corps of Engineers (Buffalo)
www.lrb.usace.army.mil
U.S. Coast Guard
www.uscg.mil
U.S. Department of Transportation
www.dot.gov
U.S. EPA Office of Air and Radiation
www.epa.gov/oar/oarhome.html
US House Committee on Transportation and Infrastructure
www.house.gov/transportation
USCG Navigation Center
www.navcen.uscg.gov