1. Birks, H.H. 2001. Chapter 4, Plant macrofossils.InTracking Environmental Change Using Lake Sediments: Volume 3, Terrestrial, Algal, and Siliceous Indicators.Edited byJ.P. Smol, H.J.B. Birks, and W.M. Last. Kluwer Academic Press, Dordrecht, The Netherlands. pp. 49–74.
2. RADIOCARBON AGE OF THE TWO CREEKS FOREST BED, WISCONSIN
3. Burgis, W.A. 1977. Late-Wisconsinan history of northeastern lower Michigan. Ph.D. Diss., University of Michigan. p. 396.
4. Burgis, W.A. 1981. Late-Wisconsinan History of Northeastern Lower Michigan. Guidebook, 30th Midwest Friends of the Pleistocene field trip. University of Michigan, Ann Arbor. p. 110.
5. Effects of late Pleistocene permafrost on the landscape of Wisconsin, USA