1 portfolio (8 sheets) : color illustrations ; 31 cm
OCLC
ocm30828220
"June 1994"--P. [4] of portfolio.
a. Protecting the past -- b. Safeguarding natural resources -- c. Cleaning up contamination -- d. Spreading the word -- e. Endorsing Army goals -- f. Preserving nature's balance -- g. Finding new fixes -- h. Digging up solutions