The Idaho namesake is separate. Rosanoski’s sources describe its acquisition in 1908 by J.C. White’s Red Collar Line and the two lines’ part in Lake Couer d’Alene steamboat traffic. Red Collar entered receivership in 1922; the name was revived in October 1929 for log towing to Rutledge Sawmill and became part of Potlach Forests in 1931.
USA, Lake Couer d’Alene.
Keep the explicit scope label independent; no alias or company identity is inferred.