A guide to the common diatoms at water pollution surveillance system stations
Publisher: U.S. Environmental Protection Agency, National Environmental Research Center, Analytical Quality Control Laboratory
Published: 1971
Place of publication: Cincinnati
Language: eng
Number of pages: 98
Subjects: Diatoms -- United States; Water -- Pollution; Water quality monitoring stations -- United States
Notes: Reprint l97l [of 1966 edition]