Attaching 1/4 square meter grid to pipes by rope. The method did not work and eventually a hole was drilled in the four corners of the grid area,a stainless steel screw was attached, andnylon string was strung between the four corners.
12/19/2018 8:10:40 AM
Photographer: Dr. James P. McVey
Affiliation: NOAA Sea Grant Program
Date: Mar-68
Location: Pokai Bay, Oahu
Subject: Coral Reefs
Subject: Marine Biologist
Subject: Artificial Reef
Subject: Diving