Cover image for Mayfly distribution as a water quality index
Mayfly distribution as a water quality index
Title:
Mayfly distribution as a water quality index
Author:
Winona State College.
Corporate Author:
Publication Information:
Washington : [Environmental Protection Agency, Water Quality Office] for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1970.
Physical Description:
39 pages : illustrations ; 28 cm.
General Note:
"16030 DQH 11/70."
Language:
English
Format :
Book