Selected publications






  • Morancy, C.K.J., Last, W.M., and Medioli, B. E., 2003. A Geolimnological Evaluation of Three Lakes from the Red River Valley of Southern Manitoba and North Dakota. WIUGC, 2003.

  • Last, W. M., and Teller, J. T., 2002. History of Lake Manitoba: Lithostratigraphy and Mineralogy of the Largest Lake in the Northern Great Plains. International Assoc. Great Lakes Research Symposium.





  • Todd, B. J., Lewis, C.F.M., Thorleifson, L. H., Nielsen, E., and Last, W. M. (Editors), 1998. Paleolimnology of Lake Winnipeg: Special Issue of Journal of Paleolimnology, volume 19, Issue #3, 252 pp.


  • Last, W. M., and Vance, R. E., 1998. Paleoclimate on the Northern Great Plains: the conversation. Geological Society of America, Annual Meeting, Abstracts with Program.

  • Last, W. M., 1998. Salt and Mud of the Prairies: A look at the Use and Misuse of saline lakes in paleoenvironmental and paleoclimatic reconstructions in western Canada. Proceedings with Abstracts, Annual Meeting of Prairie Geographers Association of Canada, (invited presentation).

  • Last, W. M., & Teller, J. T., 1997. Paleolimnology of Lake Manitoba: solutions, complications, and contradictions in the record of a large lake in the Prairies of western Canada. Würzburger Geographische Manuskripte, Heft 41, p. 117-118.



  • Last, W. M., 1996. Bulk composition, texture, and mineralogy of Lake Winnipeg core and surface grab samples. In: Lake Winnipeg Project: Cruise Report and Scientific Results (eds.: B. J. Todd, C. F. M. Lewis, L. H. Thorleifson, and E. Nielsen), Geological Survey of Canada Open File Report 3113, p. 209-220.

  • Last, W. M., 1996. Geochemistry, texture, and mineralogy of Lake Winnipeg sediments. In: Lake Winnipeg Project: Cruise Report and Scientific Results (eds.: B. J. Todd, C. F. M. Lewis, L. H. Thorleifson, and E. Nielsen), Geological Survey of Canada Open File Report 3113, p. 485-584.



  • Curry, B. B., Teller, J. T., Last, W. M., and Ito, E., 1995. The paleohydrology of Lake Manitoba, Canada, based on ostracodes. Geol. Soc. Amer. Annual Meeting, p. 253.

  • Last, W. M., Teller, J. T., Risberg, J., and Sandgren, P., 1995. Lake Manitoba project: final word in the history of a large prairie lake; or new chapter in a never ending story? Geol. Soc. Amer. Vol. 27, # 3, p. 68.

  • Last, W. M., and G. Carelse, 1995. Lake Winnipeg mineralogy, lithostratigraphy and organic geochemistry (invited presentation). Lake Winnipeg Workshop Abstracts and Program, p. 36.

  • Teller, J. T., Last, W. M., and Risberg, J., 1995. The record and history or Lake Manitoba an analog for Lake Winnipeg? Lake Winnipeg Workshop Abstracts and Program, p. 32.

  • Last, W. M. and Shang, Y., 1995. Saline lacustrine giants of the northern Great Plains. Geol. Soc. Amer. Vol. 27, # 3, p. 68.





  • Last, W. M., 1988, Saline Lake Paleolimnology in Western Canada: The Facts, the Fears, and Future. Abstracts Volume, The Palliser Triangle Mosaic: Spatial and Temporal Aspects of a Region.

  • Teller, J.T., and Last, W. M., 1988, Lake Agassiz: A Giant Pleistocene Freshwater Lake. IAS/IGCPProject 219 International Symposium on Sedimentology Related to Mineral Deposits, Abstracts Volume.




  • Last, W. M., 1982, Chemical and Clastic Sedimentation in Lake Manitoba, Canada. Internat. Assoc. Sediment. Proc., p. 128.

  • Last, W. M., and Teller, J. T., 1982, Paleoclimate and Paleohydrology of the Lake Manitoba Basin. Geol. Assoc. Canada Program with Abstracts, v. 7, p. 62.


  • Last, W. M. 1981, Spatial and Temporal Changes in Water Chemistry of Lake Manitoba. Proc. Second Biennial Plain Aquatic Research Conference, p. 10.

  • Carter, A. R., and Last, W. M., 1981, Diagenetic Iron Sulfide in Lake Manitoba Sediment. Proc. Second Biennial Plains Aquatic Research Conference, p. 10.

  • Last, W. M., 1981, High Magnesian Calcite in Lake Manitoba Sediments. Geol. Assoc. Canada, Program with Abstracts v. 6, p. A34.

  • Last, W. M., 1981, Holocene Carbonate Sedimentology of a Large Prairie Lake. Geol. Soc. Amer. Abst. v. 13, p. 202.

  • Teller, J. T., Nambudiri, E. M. V., and Last, W. M., 1980, Errors in Radiocarbon Dates due to Contamination by Finegrained Organic Matter. Proc. 26th Internat. Geol. Congress, v. 6, p. 291.

  • Last, W. M., and Teller, J. T., 1980, Lake Manitoba Stratigraphic Record: Evidence for Repeated Hypsithermal Desiccation. AMQUA Abstracts Vol., 6th Biennial Meeting, p. 123-124.


  • Last, W. M., 1979, Lake Manitoba Geolimnology and Postglacial History. 15th Annual Western InterUniversity Geological Conference, p. 45.
  • Last, W. M., 1979, Recent Sediments of Lake Manitoba. Geol. Soc. Amer. Abst. v. 11, p. 235.

  • Last, W. M., and Teller, J. T., 1979, Holocene History of Lake Manitoba. Geol. Soc. Amer. Abst. v. 11, p. 234-235.
  • Last, W. M., 1979, Lake Manitoba: A Brief Review of the Developmental History of A Major Prairie Reservoir. Proc. Plains Aquatic Research Conf., p.

  • Nambudiri, E. M. V., Teller, J. T., and Last, W. M., 1980, PreQuaternary Microfossils A guide to errors in radiocarbon dating. Geology, vol. 8, p. 123-127. pdf

  • Teller, J. T. and Last, W. M., 1979. Postglacial Sedimentation and History of Lake Manitoba. Manitoba Mines, Natural Resources, and Environmental Management Report No. 7941, 185 pp.

  • Last, W. M., 1979. Lake Manitoba Geolimnology. University of Manitoba Delta Marsh Field Station Annual Report, No. 12, p. 26-35.
  • Last, W. M., and Teller, J. T., 1979. Late Pleistocene and Holocene Sedimentation History of Lake Manitoba. University of Manitoba Delta Marsh Field Station Annual Report No. 13, p. 43-51.