As part of the newest restoration project at Midewin National Tallgrass Prairie work will be done on the woody areas along the feeder fingers/streams of Grant Creek while agricultural fields will ...

American bison arrive at the U.S. Forest Service's Midewin National Tallgrass Prairie in Wilmington on Friday, October 23, 2015. The 27 bison arrived from Colorado and South Dakota at Midewin ...

Annual summer hike at Midewin National Tallgrass Prairie and a check-in on the bee survey, one of many ongoing studies there.

WILMINGTON, Ill. (AP) - Preservationists are saving more than prairie at Midewin National Tallgrass Prairie. Even many of the ammunition bunkers left behind from the Joliet Army Ammunition Plant ...

Midewin National Tallgrass Prairie is hosting guided hikes with rangers on Saturdays and Sundays to learn about the bison herd and life on the restored prairie. Hikes will be offered at 11 a.m. Sat… ...

The 19,000-acre Midewin National Tallgrass Prairie has emerged as the chief roadblock to the planned Illiana Expressway, with environmental groups and federal officials raising concerns.

A cold snap on the prairie last winter proved particularly devastating at Midewin National Tallgrass Prairie in Wilmington, when a poorly performing heating system led to burst pipes and other damage.

Midewin National Tallgrass Prairie is the largest parcel of prairie in the area, and one that exemplifies the Chicago region’s attempts to recover some of the wilderness it has lost.

The bison herd is quickly growing thanks to the work being done at the Midewin National Tallgrass Prairie, located near Elwood about 50 miles southwest of downtown Chicago.

Bison will once again roam the Midewin National Tallgrass Prairie, potentially as soon as this fall, after Midewin officials formally approved reintroducing a small herd as part of their plan to ...

Bob Hommes, a prairie engineer at Midewin National Tallgrass Prairie, walks to one of several bunkers used at the former Joliet Arsenal in Wilmington.

WILMINGTON, Ill. (AP) — Preservationists are saving more than prairie at Midewin National Tallgrass Prairie. Even many of the ammunition bunkers left behind from the Joliet Army Ammunition Plant ...