1. The motion of discrete particles along the bed of a turbulent stream;Ippen;Proc. Minn. Internatl. Hydraulics Convention,1953
2. U. S. Geol. Survey Water-Supply Paper;Jahns,1947
3. U. S. Geol. Survey Circ.;U. S. Geological Survey,1956
4. Climatological data;U. S. Weather Bureau,1955