Hydrogeological and chemical data of permanent hydrograph network stations established in the states of West Bengal, Bihar and Orissa / 
Central Ground Water Board, Department of Agriculture, Ministry of Agriculture and Irrigation, Government of India 
 - Calcutta :  Central Ground Water Board,  1977-79 
 - 2v.  ;  33 cm. 
 - (1969-74/1975) 
<br/><br/> Library has 1969-1975 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geological surveys--India--West Bengal, Bihar and Orissa<br/>Groundwater--India--West Bengal, Bihar and Orissa
<br/><br/><label>Dewey Class. No.: </label>551.49