Journal of Hydrology. Vol. 10 No. 4 (1970). 

 - Amsterdam : North-Holland Publishing Company.  [date of publication not identified] 
 - p. 
<br/><br/> It contains of Papers, Book Reviews and Notes on June 1970 in Vol. 10 No. 4. 
<br/><br/>River flow forecasting through conceptual models. Part II. The Borsna catchement at Ferbane / P. E. O'Connell, J. E. Nash and J. P. Farrell. Comparison of chemical hydrogeology of the carbonate peninsulas of Florida and Yucatan / W. Back and B. B. Hanshaw. Analysis of data from pumping tests in unconfined anistropic aquifers / N. S. Boulton. Deriving the unitgraph without using rainfall data / R. J. De Laine. Dispersion of naturally occuring ions in groundwater from various rock types in a portion of the San Pedro river basins, Arizona / D. E. Wallace and L. R. Cooper. Evaluation of selected cobalt 60 complexes as tracers of groundwater / F. N. Bruscato and J. R. McHenry. Analysis of a reconnaissance gravity survey for drift filled valleys in the Mercer quadrangle, Pennysylvania. Notes. Book reviews.