TY - SER TI - Journal of Hydrology. Vol. 8 No. 2 (1969) PY - 0000///[date of publication not identified] CY - Amsterdam : North-Holland Publishing Company. N1 - It contains of Papers, Book Reviews and Notes on June 1969 in Vol. 8 No. 2; Editorial note. Quick return subsurface flow / D. G. Jamieson and C. R. Amerman. Groundwater flow in the Netherlands Delta area and its influence on the salt balance of the future Lake Zealand / L. F. Bell and S. Om Kar. An interface problem with a source and a sink in the heavy fluid / A. Verruijt. Hydrologic research for watershed engineering / H. N. Holtan. A prefacricated flat-vee weir for experimental catchments / K. Smith and M. E. Lavis. A preliminary report on an empirical analysis of drainage network adjustment to precipitation input. Notes. Reviews ER -