By late Monday, only a small strip of virgin prairie remained.

I have become accustomed to long drives between virgin prairies.

The Homestead Act of 1862 opened up great expanses of virgin prairie in the west to early settlers.

A virgin prairie in Illinois.

Others, like viceroys, regal fritillaries and tiger swallowtails, are "habitat sensitive," rarely venturing far from a patch of virgin prairie.

But farmers have the purest of motives, wanting nothing more than to coax food from land their grandfathers broke from virgin prairie.

Other features of the park include woods, a camping area, virgin prairie, and a viewing area for the local loess topography.

This area is considered a virgin prairie as it has never been tilled or grazed.

One of Lake Forest's most notable features is its virgin prairies and other nature preserves.

Small virgin prairies exist in the American Midwestern states and in Canada.