As the Nation's principal conservation agency, the Department works to assure that nonrenewable resources are developed and used wisely, that park and recreational resources are conserved for the future, and that renewable resources make their full contribution to the progress, prosperity, and security of the United States—now and in the future.
★ U.S. GOVERNMENT PRINTING OFFICE: 1979 O—274-535
Transcriber Note
Illustrations moved to prevent splitting paragraphs. Minor typos corrected. Hyphenation was standardized to the most prevalent used except those in the Bibliography which were left as printed. Some repeated Author Names in the Bibliography were retained as printed.