ISBN: 9780933832206 - advanced wreck diver's manual (1 Ergebnisse)

Paperback. Zustand: Near Fine. No Jacket. First Edition. 1st edition paperback with negligible surface wear from storage, internally as new. 65 p. Contents include: Successful research/ The search for your wrecksite/ Grid techniques, Underwater sleds/ Trawl Door rigs/ Circle/semi circle search/ Zig Zag search/ Case studies 1 - 5/ Land Ranges/ Timed Compass Run/ Wreck sites and wreckage (shallow water)/ Setting up the grid/ Survey methods/ Locating artifacts/ Excavation/ Recovery of Objects/ The deep water wreck site.…