1. Environmental Data Handling. Textbook ($19.95) by Wiley Interscience, P.O. Box 4569, Grand Central Station, N.Y., N.Y. 10017.
2. Studying the Earth From Space. Booklet (65 cents) from Superintendent of Documents, U.S. Government Printing Office, Washington D.C. 20402.
3. Remote Sensing With Special Reference to Agriculture and Forestry. Book ($12.95) from National Academy of Sciences, 2101 Constitution Avenue NW, Washington D.C. 20037.
4. Space—Environmental Vantage Point. U.S. Department of Commerce, 36 pages. U.S. Government Printing Office #1974-0-552-755.
5. The EROS Data Center. U.S.G.S., 28 pages. U.S. Government Printing Office #1975-211-345/15.