MARC 主機 00000cx 22000001 4500
001 ocm01128264
008 750103s1974 paua f000 0 eng d
090 HC79.E5|bS68 1974, no.22
110 1 Pennsylvania.|bBureau of Water Quality Management.
245 10 Demonstration of a state water quality management
information system|c[by C. J. Touhill]
260 Washington,|bFor sale by the Supt. of Docs., U.S. Govt.
Print. Off.,|c1974.
300 vii,129 p.|billus.|c27 cm.
440 0 Research reporting series.|n5,|pSocioeconomic
environmental studies series ;|vEPA-600/5-74-022
500 Prepared for Washington Environmental Research Center,
U.S. Environmental Protection Agency under project S-
801000, formerly 16090DRA, program element 1BA030, ROAP/
Task 21 AQT-03.
500 "August 1974"
650 0 Water quality management|xComputer programs.
650 2 Quality Control|zPennsylvania.
650 2 Water Supply|zPennsylvania.
650 2 Management Information Systems|zPennsylvania.
700 1 Touhill, C. J.,|d1938-
