TY - SER TI - Journal of Hydraulic Engineering.. Vol. 111 No. 11 (1985) PY - 0000///[date of publication not identified] CY - New York : American Society of Civil Engineers. N1 - It contains of Papers, Technical Note and Discussions on November 1985 in Vol. 111 No. 11; Local Scour Downstream of an Apron / N. M. K. Nik Hassan and Rangaswami Narayanan. Economics of Pumping and the Utilization Factor / B. B. Sharp. Bed Topography in Bends of Sand-Silt Rivers / Syunsuke Ikeda and Tatsuya Nishimura. Formation of Alternate Bars / Howard H. Chang. TECHNICAL NOTES : Paper 20176 - Hydrodynamically Smooth Flows over Surface Material in Alluvial Channels / Jin Wu ER -