Water quality in the Delaware River Basin, Pennsylvania, New Jersey, New York, and Delaware, 1999-2001 
by Jeffrey M. Fischer ... [et al.]. 
 - Reston, VA  Denver, CO  U.S. Dept. of the Interior, U.S. Geological Survey  U.S. Geological Survey, Information Services [distributor]  2004. 
 - vi, 38 p.  col. ill., col. maps  28 cm. 
 - Circular  1227 .
 - U.S. Geological Survey circular  1227. .
<br/><br/> Shipping list no.: 2004-0190-P. 
<br/><br/>Includes bibliographical references (p. 29-30). 
<br/><br/>
<br/><br/><label>ISBN: </label>0607964022 (alk. paper) 
<br/><br/><label>LCCN: </label>2004041394 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality--Delaware River Watershed (N.Y.-Del. and N.J.)
<br/><br/><label>LC Class. No.: </label>TD225.D28  / W38 2004 
<br/><br/><label>Dewey Class. No.: </label>363.739/42/09749 
<br/><br/><label>GPO Item No.: </label>0620-A 0620-A (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.4/2:1227