Fort McKinley, South Fork Latrine, West side of East Side Drive, approximately 225 feet south of Weymouth Way, Great Diamond Island, Portland, Cumberland County, ME

Significance: Fort McKinley attains significance as the largest of Portland Harbor's five military complexes built in the late 19th and early 20th centuries. The fort protected Maine's principal city with one of the most well-defended harbors in the country. The South Fork Latrine is one of two identical buildings constructed at the fort. It is the only non-tactical structure located in the eastern portion of the South Fork.
Survey number: HAER ME-59-F
Building/structure dates: 1909 Initial Construction