Updating the International Great Lakes Datum
Michael Craymer, Natural Resources Canada, Canadian Geodetic Survey, Ottawa, ON, Canada, Jeff Oyler, NOAA Center for Operational Oceanographic Products and Services, Chesapeake, VA, United States, Terese Herron, Canadian Hydrographic Service, Fisheries and Oceans Canada, Burlington, ON, Canada and Great Lakes Vertical Control - Water Levels Subcommittee
