1979 - [Elektronische Ressource]
The Direct Use of Coal
April 1979
NTIS order #PB-295797
Library of Congress Catalog Card Number 79-600071
For sale by … the Superintendent of Documents, U.S. Government Printing Office
Washington, D.C. 20402 Stock No. 052-003 -00664-2
ii …. The investments in facilities, man-
power, and technologies for the mining, transportation, and use of such vast …