USCG Notice to Mariners of Dredging at Deer Island Mississippi from USCG District 8 Gulf of Mexico. September 12, 2012. Week 37.
Aspects of the Propeller Safety Debate chart
Houseboat Propeller Regulation Proposed and Withdrawn by USCG: Analysis by PGIC
History of Boat Propeller Safety
Mitigating Boat Propeller Injuries & Fatalities Chart