Boerboom, T., Holm, D., & Schmus, W. (2005). Granites of the East-Central Minnesota Batholith (1–). Minnesota Geological Survey Guidebook. https://oaks.kent.edu/node/1979
Boerboom, Terrence, Daniel Holm, and W Schmus. 2005. “Granites of the East-Central Minnesota Batholith”. Minnesota Geological Survey Guidebook. https://oaks.kent.edu/node/1979.
Boerboom, Terrence, et al. Granites of the East-Central Minnesota Batholith. Minnesota Geological Survey Guidebook, 1 Jan. 2005, https://oaks.kent.edu/node/1979.