Hydrological data :  United Kingdom : 1991 yearbook : an account of rainfall, river flows, groundwater levels and river water quality January to December 1991. 

 - Wallingford :  Institute of Hydrology [and] British Geological Survey,  1992. 
 - 175p. 
<br/><br/><label>ISBN: </label>0948540435 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rain and rainfall--Great Britain.<br/>Water table--Great Britain.<br/>Streamflow velocity