Christensen, Victoria G. <br/><br/>
Effects of changes in reservoir operations on water quality and trophic state indicators in Voyageurs National Park, northern Minnesota, 2001-03  [electronic resource] 
by Victoria C. [sic] Christensen, Gregory A. Payne, and Larry W. Kallemeyn ; prepared in cooperation with the National Park Service. 
, Electronic data. 
 - Reston, Va.  Denver, CO  U.S. Dept. of the Interior, U.S. Geological Survey  U.S. Geological Survey, Information Services [distributor]  2004. 
 - vi, 42 p.  ill., maps  28 cm. 
 - Scientific investigations report  2004-5044 .
<br/><br/> Shipping list no.: 2005-0054-M.  Title from resource itself.  Description based on content as of: August 27, 2004. 
<br/><br/>Includes bibliographical references (p. 20-21). 
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<br/><br/><br/>Electronic reproduction. <br/>Reston, Va. <br/>Denver, CO <br/>U.S. Dept. of the Interior, U.S. Geological Survey <br/>U.S. Geological Survey, Information Services [distributor]. <br/>Mode of access: World Wide Web. <br/>Available in multiple electronic file formats. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Eutrophication--Minnesota--Voyageurs National Park.<br/>Reservoirs--Minnesota--Voyageurs National Park.<br/>Water quality--Minnesota--Voyageurs National Park.
<br/><br/><label>National Agricultural Library Call No.: </label>QE1  / .S43 no. 2004-5044 
<br/><br/><label>GPO Item No.: </label>0624-B-02 0624-B-02 (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.42/4-4:2004-5044