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- First Day Cover Honoring Rachel Carson, May 28, 1981 - Marine biologist Rachel Carson helped spark the environmental movements of the 1960s with her book <EM>Silent Spring</EM>. It described how widespread pesticide use, in particular DDT, was harming and killing birds and other animals as well as threatening the health of humans. Her book helped the general population understand the interconnected nature of ecosystems and how localized polluting affects larger natural systems.
- May 28, 1981
- Collections - Artifact
First Day Cover Honoring Rachel Carson, May 28, 1981
Marine biologist Rachel Carson helped spark the environmental movements of the 1960s with her book Silent Spring. It described how widespread pesticide use, in particular DDT, was harming and killing birds and other animals as well as threatening the health of humans. Her book helped the general population understand the interconnected nature of ecosystems and how localized polluting affects larger natural systems.
- First Day Cover Honoring Rachel Carson, May 28, 1981 - Marine biologist Rachel Carson helped spark the environmental movements of the 1960s with her book <EM>Silent Spring</EM>. It described how widespread pesticide use, in particular DDT, was harming and killing birds and other animals as well as threatening the health of humans. Her book helped the general population understand the interconnected nature of ecosystems and how localized polluting affects larger natural systems.
- May 28, 1981
- Collections - Artifact
First Day Cover Honoring Rachel Carson, May 28, 1981
Marine biologist Rachel Carson helped spark the environmental movements of the 1960s with her book Silent Spring. It described how widespread pesticide use, in particular DDT, was harming and killing birds and other animals as well as threatening the health of humans. Her book helped the general population understand the interconnected nature of ecosystems and how localized polluting affects larger natural systems.
- First Day Cover, "Rachel Carson Poet of Nature," May 28, 1981 - Marine biologist Rachel Carson helped spark the environmental movements of the 1960s with her book <EM>Silent Spring</EM>. It described how widespread pesticide use, in particular DDT, was harming and killing birds and other animals as well as threatening the health of humans. Her book helped the general population understand the interconnected nature of ecosystems and how localized polluting affects larger natural systems.
- May 28, 1981
- Collections - Artifact
First Day Cover, "Rachel Carson Poet of Nature," May 28, 1981
Marine biologist Rachel Carson helped spark the environmental movements of the 1960s with her book Silent Spring. It described how widespread pesticide use, in particular DDT, was harming and killing birds and other animals as well as threatening the health of humans. Her book helped the general population understand the interconnected nature of ecosystems and how localized polluting affects larger natural systems.
- First Day Cover Honoring Rachel Carson, May 28, 1981 - Marine biologist Rachel Carson helped spark the environmental movements of the 1960s with her book <EM>Silent Spring</EM>. It described how widespread pesticide use, in particular DDT, was harming and killing birds and other animals as well as threatening the health of humans. Her book helped the general population understand the interconnected nature of ecosystems and how localized polluting affects larger natural systems.
- May 28, 1981
- Collections - Artifact
First Day Cover Honoring Rachel Carson, May 28, 1981
Marine biologist Rachel Carson helped spark the environmental movements of the 1960s with her book Silent Spring. It described how widespread pesticide use, in particular DDT, was harming and killing birds and other animals as well as threatening the health of humans. Her book helped the general population understand the interconnected nature of ecosystems and how localized polluting affects larger natural systems.
- "Steep Trails: California, Utah, Nevada, Washington, Oregon, The Grand Canyon," 1918 - John Muir (1838-1914) was one of America's most influential naturalists and conservationists. For fifty years, Muir explored America and wrote about the country's natural beauty. His writings inspired, and continue to inspire, Americans to experience the natural world and work for its protection. <EM>Steep Trails</EM>, assembled after his death, contains letters and essays about his travels through the American West.
- 1918
- Collections - Artifact
"Steep Trails: California, Utah, Nevada, Washington, Oregon, The Grand Canyon," 1918
John Muir (1838-1914) was one of America's most influential naturalists and conservationists. For fifty years, Muir explored America and wrote about the country's natural beauty. His writings inspired, and continue to inspire, Americans to experience the natural world and work for its protection. Steep Trails, assembled after his death, contains letters and essays about his travels through the American West.