Towards clearer water :  Rivers Pollution Survey of Scotland / 
Scottish Development Department. 
 - Edinburgh :  H.M.S.O.,  1972. 
 - 1v. 
<br/><br/> Book (ix,37p.) and 3 fold. leaves (col. maps) in plastic envelope. 
<br/><br/><label>ISBN: </label>0114907803 (sd) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Pollution--Scotland.