Complex sentence: Pulley Ridge is a mesophotic coral reef system off the shores of the continental United State The reef lies 100 miles west of the Tortugas Ecological Reserve and stretches north about 60 miles at depths ranging from 60--80 meters Pulley Ridge was originally discovered in 1950.
Split into simpler sentences: Pulley Ridge is a mesophotic coral reef system off the shores of the continental United State The reef lies 100 miles west of the Tortugas Ecological Reserve and stretches north about 60 miles. The ridge has a range of depth from 60--80 meters Pulley Ridge was originally discovered in 1950.