Hydrogeological nad Chemical data of Permanent hydrograph network stations estabilished in the states of west Bengal, Bihar and Orissa : 
Department of Agriculture, Ministry of agriculture and Irrigation, Central Ground Water Board, Govt of India 
 - Calcutta :  Govt press ,  1977-79 
 - v,  :  33 cm. 
<br/><br/> Library has 1969-74 nad 1975 
<br/><br/><label>Dewey Class. No.: </label>551.49(54)