East Branch Oyster River

The East Branch Oyster River is a tributary of the Oyster River in Knox County, Maine.
From its source (44°09′03″N 69°08′29″W) in Rockland, the stream runs 4.8 miles (7.7 km) southwest to its confluence with the main stem of the Oyster River, on the border between Warren and Thomaston.

Source: Wikipedia https://en.wikipedia.org/wiki/East_Branch_Oyster_River