Gust Hagberg (born c. 1873) was a Swedish Immigrant to the Arrowhead Region of Minnesota during the late 19th century. Hagberg lived along the eastern end of the Duluth & Northern Minnesota Railway (Alger-Smith Line), where it passed northwest of Little Cascade Lake. [1] He was known by the name Jockmock, derived from the name of his hometown of Jokkmokk in Norrbotten, Sweden. [1] He lived there until at least 1940. [1] [2] [3] [4]
Hagberg was the namesake of several lakes or water features in Cook County, Minnesota: Gust Lake, the source of the Poplar River, [5] Jock Mock Lake, which lies nearby but is a tributary to the Cascade River and Jock Mock Bay on Lake Brule. [6]