Schrader, Tony P. <br/><br/>
Status of water levels and selected water-quality conditions in the Sparta-Memphis aquifer in Arkansas and the Sparta aquifer in Louisiana, spring-summer 2001  [microform] 
by T.P. Schrader ; prepared in cooperation with the Arkansas Soil and Water Conservation Commission, the Arkansas Geological Commission, and the Louisiana Department of Transportation and Development. 
 - Reston, Va.  U.S. Geological Survey  2004. 
 - iii, 52 p.  ill., maps  28 cm. 
 - Scientific investigations report  2004-5055 .
<br/><br/> Shipping list no.: 2005-0075-M.  Three maps on 3 folded leaves in pocket. 
<br/><br/>Includes bibliographical references (p. 52). 
<br/><br/>
<br/><br/><br/>Microfiche. <br/>[Washington, D.C.] <br/>Supt. of Docs., U.S. G.P.O. <br/>2004 <br/>4 microfiches : negative. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water levels--Arkansas.<br/>Groundwater--Quality.--Louisiana<br/>Groundwater--Quality.--Arkansas<br/>Water levels--Louisiana.
<br/><br/><label>GPO Item No.: </label>0624-B-02 (MF) 0624-B-02 (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.42/4-4:2004-5055