Report on the drainage and conservency of calcutta / 
David B. Sinith 
 - Calcutta:  Bengal Secretariate Press,  1869 
 - 123 p. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification<br/>Water--Purification<br/>Sewage irrigation--India
<br/><br/><label>Dewey Class. No.: </label>628.3