Record Display for the EPA National Library Catalog
RECORD NUMBER: 309 OF 397Main Title | Study of the Pollution and Natural Purification of the Ohio River. I. The Plankton and Related Organisms. | |||||||||||
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Author | Purd, W. C. ; | |||||||||||
CORP Author | Public Health Service, Washington, D.C. | |||||||||||
Year Published | 1922 | |||||||||||
Report Number | Public Health Bull-131; | |||||||||||
Stock Number | PB-228 944 | |||||||||||
Additional Subjects | Water pollution ; Ohio River ; Plankton ; Marine microorganisms ; Water pollution control ; Water quality data | |||||||||||
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Collation | 84p | |||||||||||
Abstract | Contents: Biological investigations (Environment as a biological factor, significance of biological findings and purposes of the present investigation, methods employed, results of biological investigations, general summary of biological investigations). |