As of July 1, 1980

Title 40, Parts 0-49
Parts 50-59, and Parts 60-99
Revised as of July 1, 1979

Are Replaced by Four Volumes
Title 40, Parts 0-51, Part 52,
Parts 53-80 and Parts 81-99

U.S. GOVERNMENT PRINTING OFFICE

WASHINGTON: 1980

For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402 Subscription Price: $450 per year; $565 for foreign mailing.

Single copies vary in price: This issue $7.50