Phelps, G. G. <br/><br/>
Chemistry of ground water in the Silver Springs Basin, Florida, with an emphasis on nitrate / |c by G.G. Phelps ; prepared in cooperation with St. Johns River Water Management District ... [et al.]. 

 - Reston, Va. : |b U.S. Dept. of Interior, U.S. Geological Survey ; |a Denver, CO : |b U.S. Geological Survey, Information Services [distributor], |c 2004. 
 - vi, 54 p. : |b ill. (some col.), col. maps ; |c 28 cm. 
<br/><br/> Shipping list no. 
<br/><br/>Includes bibliographical references (p. 43-47). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater |z Florida |z Silver Springs.<br/>Government publications
<br/><br/><label>LC Class. No.: </label>GB1025.F6 |b P54 2004 
<br/><br/><label>Dewey Class. No.: </label>
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.42/4-4:2004-5144