Before revision: Technology and research Reef balls Reef balls, lowering into Lake Pontchartrain, Louisiana, USA 2009 Inhabited reef ball The Reef Ball Foundation manufactures reef balls for open ocean deployment in sizes from in diameter and in weight.
After revision: Technology and research Reef balls Reef balls, lowering into Lake Pontchartrain, Louisiana, USA 2009 The Reef Ball Foundation manufactures reef balls for open ocean deployment in sizes from in diameter and in weight.