Original sentence: It was surveyed and named in 1860 when it was proclaimed an official port.Port MacDonnell is a small port about  southeast of Adelaide and  south of Mount Gambier), in South Australia.The first Europeans to see the area were led by explorer Lieutenant James Grant in the HMS Lady Nelson on the 3 December 1800
Edited sentence: In 1860 the area was proclaimed an official port, was given a name, and was surveyed.Port MacDonnell is a small port about  southeast of Adelaide and  south of Mount Gambier, in South Australia.The first Europeans to see the area were led by explorer Lieutenant James Grant in HMS Lady Nelson on 3 December 1800