Cover image for Water quality of hydrologic bench marks : an indicator of water quality in the natural environment
Title:
Water quality of hydrologic bench marks : an indicator of water quality in the natural environment
Author:
Biesecker, James E., 1941-
Personal Author:
Publication Information:
[Reston, Va.] : U.S. Dept. of the Interior, Geological Survey, 1975.
Physical Description:
iv, 21 pages : illustrations ; 26 cm.
Language:
English
Format :
Book