A preliminary economic analysis of outdoor recreation in the Souris River Basin Add to clipboard CA UMASC Tc 17, Tc 23, Tc 26, Tc 33, Tc 34, Tc 35, Tc 37, Tc 38, Tc 39, Tc 40 (A1983-057, A1985-11, A1985-012), TC 175 (A1999-016)-UPC ACW 4-2 Item Part of Archives & Special Collections fonds Internal Report no. 2 Schellenberg, H. D., Craddock, W.J.