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In 1941 the Food and Drug Administration approved the use of diethylstilbestrol (DES), the first synthetic chemical to be marketed as an estrogen and one of the first to be identified as a hormone disruptor—a chemical that mimics hormones. Its...
This is the 1998 status assessment of the scaleshell mussel in the United States. It includes biological information on the species, distribution status information and detailed status figures.
First recovery plan approved 12/7/1981. First revision approved June 1987. Second revision approved: 3/13/1995. The Florida panther is the last subspecies of Puma still surviving in the eastern United States. Historically occurring throughout the...
The following is a time line of significant events that have affected the land and ownership of the property now comprising the National Conservation Training Center (NCTC), with an emphasis on the period from early European settlement until...