costaricamonitoringtripdec2006 112
costaricamonitoringtripdec2006 108 costaricamonitoringtripdec2006 109 costaricamonitoringtripdec2006 110
costaricamonitoringtripdec2006 112
costaricamonitoringtripdec2006 113 costaricamonitoringtripdec2006 115 costaricamonitoringtripdec2006 117
costaricamonitoringtripdec2006 112
Each Reef Ball has an identifying plaqard for monitoring purposes.