1. Harrison, J.V. & Falcon, N.L. J. Geol. 46, 296–309 (1938).
2. Evans, S.G. et al. Can. geotech. J. (in the press).
3. Gabrielse, H. et al. Geol. Surv. Can. Memoir 366, 153 (1973).
4. Eisbacher, G.H. Can. Geotech. J. 16, 309–334 (1979).
5. Chow, V.T. Open Channel Hydraulics (McGraw-Hill, New York, 1959).