![[Detail] Theodore Roosevelt and John Muir.](../images/header_nature.jpg)
[Detail] Theodore Roosevelt and John Muir. 
About this image
These terms may be useful when searching for items related to this theme in the Library's digital collections.
- Acid rain
- Arbor Day
- Audubon, James
- Burroughs, John
- Biodiversity
- Bird Day
- Carson, Rachel
- Civilian Conservation Corps
- Conservation
- Earth Day
- Ecology
- Endangered species
- Erosion
- Environment
- Forests
- Geology
- Habitat
- Hetch Hetchy
- Landscape
- Leopold, Aldo
- Muir, John
- Names of animals
- Names of landforms
- Names of people
- Names of places
- Names of plants
- National Parks
- Natural resources
- Naturalist
- Nature
- Olmsted, Frederick
- Ornithologist
- Ornithology
- Pesticide
- Peterson, Roger Tory
- Pinchot, Gifford
- Pollution
- Thoreau, Henry David
- Vegetation
- Wetland
- Wilderness
- Wildlife
Last Updated: 06/29/2009