Soundings is the story of the enigmatic, unknown woman behind one of the greatest achievements of the 20th century. Before Marie Tharp, geologist and gifted
Soundings is the story of the enigmatic, unknown woman behind one of the greatest achievements of the 20th century. Before Marie Tharp, geologist and gifted
Marine Surveyor Mark Corke SAMS associate of Norm LeBlanc, Inc holds Yacht Master Ocean Certificate. Editor@Boatworks Magazine@Sail Magazine @Soundings Magazine. His book Guide to Boat Surveying is out in 2011. Contact Mark at 860- 304-4654.