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U.S. GOVERNMENT PRINTING OFFICE

WASHINGTON: 1973

For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402 Subscription Price, $200 per year. $50 additional for foreign maillng.

Single copies vary in price. This issue $4.

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Chapter IV-Office of Water Resources Research, Department of the
Interior

Page

3

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