Towing Vessel National Center of Expertise
https://www.dco.uscg.mil/tvncoe/

Towing Vessel Inspection Bureau
https://www.thetvib.org/

NOAA Coast Pilot Publications
https://nauticalcharts.noaa.gov/publications/coast-pilot/index.html

USCG Inland and International Navigation Rules
https://www.navcen.uscg.gov/navigation-rules-amalgamated

USCG Light List
https://www.navcen.uscg.gov/light-lists

USCG Local Notice to Mariners by District
https://www.navcen.uscg.gov/local-notices-to-mariners-by-cg-district

USCG Navigation Center
http://www.navcen.uscg.gov

USACE Inland Electronic Navigation Charts
http://ienccloud.us/ienc/web/main/ienc_021.htm

American Waterways Operators
http://www.americanwaterways.com

Navigation and Vessel Inspection Circulars
https://www.dco.uscg.mil/Our-Organization/NVIC/

The River School
http://www.riverschool.com

Davis Marine Training
http://www.angelfire.com/biz/davismarine/

The Seamen’s Church Institute
http://www.seamenschurch.org

U.S. EPA National Pollutant Discharge Elimination System (NPDES) Vessel Discharges
https://www.epa.gov/npdes/vessels-vgp

U.S. DOT Drug and Alcohol Testing MIS Data Collection Form
https://www.transportation.gov/odapc/MISreporting