Contributions

  • Griffiths, M. Joan. - Contributor
  • United States. Environmental Science ServicesAdministration. - Contributor

Publication

1969 - Environmental Science Services Administration, SilverSpring, Md, United States

Language

English

Word Count

20,000 words, Guess

Page Count

80 pages

Identifiers

Subjects

Series Statement

  • ESSA technical memorandum -- EDSTM 9

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