Incoming Resources
- The Missouri River journals of John James Audubon, John James Audubon ; edited and with original commentary by Daniel Patterson
- A fierce green fire, Aldo Leopold's life and legacy, Marybeth Lorbiecki
- Grinnell, America's environmental pioneer and his restless drive to save the West, John Taliaferro
- On a farther shore, the life and legacy of Rachel Carson, William Souder
- Rachel Carson and her sisters, extraordinary women who have shaped America's environment, Robert K. Musil
- Aldo Leopold's odyssey, Julianne Lutz Newton