About Dave Dempsey Books by Dave Dempsey Border Flows A Century of the Canadian-American Water Relationship contributions by Lynne Heasley, Daniel Macfarlane, Andrea Charron, Alice Cohen, Dave Dempsey, Jerry Dennis, Colin A.M. Duncan, Matthew Evenden, James W. Feldman, Noah D. Hall, Nancy Langston, Frederic Lasserre, Andrew Marcille, Jeremy Mouat, Emma S. Norman, Peter Starr, Joseph E. Taylor & Graeme Wynn