PUCPR Search for 'an:51112'

Design of the national water-quality assessment program occurrence and distribution of water-quality conditions

By Gilliom, Robert J..
Sacramento, Cal. Geological Survey 1995 .
p. cm.

Sustainability of ground-water resources

By Alley, William M..
Denver, Colo. U.S. Dept. of the Interior, U.S. Geological Survey 1999 .
v, 79 p. 28 cm..
0607930403(pbk: alk. paper)

Ground-water-level monitoring and the importance of long-term water-level data

By Taylor, Charles J..
Reston, Va. | Denver CO U.S. Dept. of the Interior, U.S. Geological Survey | U.S. Geological Survey, Branch of Information Services 2001 .
v, 68 p. , Shipping list no.: 2002-0015-P. 28 cm..
0607974222