Johnson South Reef Johnson South Reef Johnson South Reef (; ), also known as Chigua Reef in China, Gạc Ma Reef in Vietnam and Mabini Reef in the Philippines is a reef in the southwest portion of the Union Banks in the Spratly Islands of the South China Sea. It is controlled by the People's Republic of China (PRC), but its ownership is disputed by the PRC, the Philippines, Taiwan, and Vietnam. Johnson South Reef lies adjacent to the Vietnamese-controlled Collins Reef (also known as Johnson North Reef) which lies to the northwest. It is naturally above water only at low tide. Prior
Osborne Reef year's cleanup term. In 2009, recovery began on July 24 with thirty Army and Navy divers at Hugh Taylor Birch State Park, where it was thought about 300,000 tires were caught against a natural reef. Loading the caught tires onto the Army craft "Brandy Station", the first day's haul brought approximately 1,400 tires ashore. Wrapping up for the year in mid-August, Coastal America's William Nuckols told the Associated Press that cleanup efforts have thus far recovered approximately 73,000 tires from the reef. Osborne Reef Osborne Reef is an artificial reef off the coast of Fort Lauderdale, Florida, constructed of concrete