Boni Buehler arriving at Los Angeles International Airport in 1953 after recovering for a month after her release from the hospital at her parents from her boat propeller accident. Marji Millar is in the background. From a USC Digital Library image.
Houseboat Propeller Regulation Proposed and Withdrawn by USCG: Analysis by PGIC
History of Boat Propeller Safety
Mitigating Boat Propeller Injuries & Fatalities Chart
Four Volume Review of the Boating Industry’s Boat Propeller Guard Product Liability Defense