"Prepared for the Carbon Dioxide Research Program, Atmospheric and Climate Research Division, Office of Health and Environmental Research, U.S. Department of Energy; prepared by the Oak Ridge National Laboratory, operated by Martin Marietta Energy Systems, Inc. for the U.S. Department of Energy under contract DE-AC05-84OR21400." "Carbon Dioxide Information Analysis Center." "ORNL/CDIAC-33." "Date issued--March 1990." "Available to DOE and DOE contractors from the Office of Scientific and Technical Information, P.O. Box 62, Oak Ridge, TN; available to the public from the National Technical Information Service, U.S. Department of Commerce, 5285 Port Royal Rd., Springfield, VA"--Page 2 of cover. 3 leaves of overlay maps in pocket.