Concepts for national assessment of water availability and use : report to Congress.

Published: Reston, Va.: U.S. Geological Survey, 2002..
Series:U.S. Geological Survey circular ;; 1223
Subjects:
Physical Description:v, 34 p.: col. ill., map; 28 cm..
Bibliography:Includes bibliographical references (p. 28-29)
ISBN:0607985933 (alk. paper)