Cave Diving

04 Apr 2013

Mike Young and Hollis Ambassador sump dive exploration in Puerto Rico....

18 Sep 2010

The Dominican Republic Speleological Society (DRSS) in 2010 explores a sinkhole with team leader Forrest Wilson, Mark Wenner, Christian Pittaro, Thomas Riffaud and Phillip Lehman....

Mark Wenner, Marbry Hardin Sump-mount Steel 45 cu/ft cylinders. Max depth 20’....