Claim: Donaldson Mountain, which is located in New York in the Seward Mountains, lies within the watershed of the Raquette River likewise its southeast side drains into a tributary of the Raquette River.
Evidence: Donaldson Mountain is a mountain located in Franklin County, New York, named in 1924 after Alfred Lee Donaldson (1866–1923), author of A History of the Adirondacks. The mountain is part of the Seward Mountains of the Adirondacks. Donaldson Mountain stands within the watershed of the Raquette River, which drains into the Saint Lawrence River in Canada, and into the Gulf of Saint Lawrence. The southeast side of Donaldson Mt. drains into Seward Brook, thence into the Cold River, a tributary of the Raquette River.