NR-1 Sinkhole NR-1 Sinkhole The NR-1 Sinkhole is a giant underwater sinkhole located in the Straits of Florida southwest of Key West, Florida. It is found at an approximate depth of of water at the foot of the Pourtales Escarpment, an area of Quaternary sediment. It was discovered in October 1994 during a survey conducted by the American submarine NR-1, a U.S. Navy nuclear research submarine, and is named for the submarine. It was first identified via side-scan sonar and near-bottom echo sounder data, prompting a second survey in May 1995 to confirm the finding. Discovery of the NR-1 Sinkhole prompted scientific
Garrison A Cricket Ground Garrison A Cricket Ground Garrison A Cricket Ground is a cricket ground in Colchester, Essex. The first recorded match on the ground was in 1924, when Essex played their first first-class match there against Gloucestershire. Essex played 25 first-class matches there between 1924 and 1972, playing their final first-class match there against Somerset in the 1972 County Championship. In addition, the ground has also hosted 2 List-A matches, the first of which came in the 1970 John Player League when Essex played Yorkshire. The second and final List-A match at the ground came in the 1972 John Player League when