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AN INTRODUCTION TO THE U.S. GEOLOGICAL SURVEY'S NATIONAL WATER-QUALITY ASSESSMENT PROGRAM
P. Patrick. Leahy, Barbara J. Ryan, A. Ivan. JohnsonVolume:
29
Year:
1993
Language:
english
Pages:
4
DOI:
10.1111/j.1752-1688.1993.tb03227.x
File:
PDF, 90 KB
english, 1993