Lead (Pb) and its compounds have been known to man for about 7,000 years, and Pb poisoning has been recognized for at least 2,500 years. All credible evidence indicates that Pb is neither essential nor beneficial to living organisms, and that all...
SEC. 2. (a) FINDINGS.—The Congress finds and declares that—
(1) various species of fish, wildlife, and plants in the United States have
been rendered extinct as a consequence of economic growth and development
untempered by adequate concern and...
Freshwater fishes; Fishes; Fisheries management; Fish hatcheries;
The Circulars are technical publications of general interest intended to aid conservation and management. Publications that review in considerable detail and at a high technical level certain broad areas of research appear in this series.