All research on in Antarctica studies the health of planet earth.
Brigadoon State Nature Preserve was created in 1985.
Hemlock Bluffs Nature Preserve was created in 1976.
The area of Tivoli Nature Preserve is 331,842.2266368 square meters.
It is a scientific preserve.
Lion's Den Gorge Nature Preserve was created in 2002.
Beargrass Creek State Nature Preserve was created in 1982.
Acadia Cliffs State Nature Preserve was created in 1994.
Weymouth Woods-Sandhills Nature Preserve was created in 1963.
Blackhand Gorge State Nature Preserve was created in 1975.
Hoosier Prairie State Nature Preserve was created in 1976.
Lake Katharine State Nature Preserve was created in 1975.