Fig. 85. (Top) Air photograph of Rmiit Islet showing two atom bomb craters in the 

 reef, with LACROSSE in foregrormd (approximately 115 m horizontal diameter) 

 and CACTUS behind it. The lagoon is in the background. (Bottom) A grove of 

 H. incrassata thalli in the centre of CACTUS crater, at — 11m. Diameter of broader 

 segments is approximately 7 mm. 



