Journal of Hydrology. Vol. 21 No. 1 (1974). 

 - Amsterdam : North-Holland Publishing Company.  [date of publication not identified] 
 - p. 
<br/><br/> It contains of Papers, Book Reviews and Notes on January 1974 in Vol. 21 No. 1. 
<br/><br/>An application of parametric statistical tests to well-yield data from carbonates of central Pennysylvania / S. H. Siddiqui and R. R. Parizek. Water quality effects of seepage from earthen dams / C. Yost, Jr. and J. W. Naney. An annovative automatic stream gaging method / J. F. Harp. Vertical movements in the non-saturated zone and the specific yield of a water table aquifer / A. Cazal and G. Lacazadieu. Cross-spectral analysis of rainfall and runoff for Raritan and Mullica River basins in New Jersey / E. L. Bourodimos and A. M. Oguntuase. Intensive infiltrometer studies on a plowed big sagebush site / G. F. Gifford and F. E. Busby. Recent publications. Notes. Guide for authors.