Ackerman, Edward Augustus,  1911- <br/><br/>
Technology in American water development / 
Edward Augustus Ackerma and George O. G. Lof ; with the assistance of Conard Seipp 
 - Baltimore :  John Hopkins Press,  1959 
 - xv, 710 p. :  plates, maps, tables, diagrs. ;  23 cm. 
<br/><br/> "General references" : p. 667-672 ; bibl. footnotes  "Col. fold. map" inside pocket at the end 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage and retrieval systems--Environmental protection<br/>Environmental protection--Data processing
<br/><br/><label>Dewey Class. No.: </label>628.10973