Ruth Patrick/Related Articles
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- See also changes related to Ruth Patrick, or pages that link to Ruth Patrick or to this page or whose text contains "Ruth Patrick".
Academy of Natural Sciences of Drexel University: A natural history museum, herbarium, and environmental science research institute in Philadelphia, PA. [e]
Clean Water Act: Federal laws from 1948, 1972, 1977 and 1987 that govern water quality in the United States of America [e]
Patrick Center for Environmental Research: An environmental research institute founded in 1947 by Ruth Patrick at the Academy of Natural Sciences of Drexel University; the first group to study freshwater systems at all levels of the food chain and to treat biodiversity as a central indicator of water quality. [e]