Record Display for the EPA National Library Catalog
RECORD NUMBER: 47 OF 56| Main 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). |