Doug Armstrong is a skilled conservator called upon by notables in the treasure salvage business such as Dave Horner, Lou Ullian, Joel Ruth, Bob Weller, Mel Fisher, and Herbo Humphries to stabilize and conserve many valuable artifacts recovered from the sea floor as well as those found on terrestrial sites in Florida's coastal zone. His publications in print include "French Castaways at Old Cape Canaveral," "Practical Conservation of Archaeological Objects," and "The Winter Beach Salvage Camp," all currently available through Signum Ops.