In the 20th century, the earthwork fort was rediscovered through aerial photography.

Included in park is an unrelated earthwork fort, which archeologists believe is of Native American and not French origin.

A revolutionary-era earthwork fort was built at the Skidaway Narrows and today can be visited as part of Wormsloe Historic Site.

By war's end, Cincinnati was defended by 27 earthwork forts and batteries.

It is the site of an ancient earthwork fort.

There he built an earthwork fort and left a garrison of nominally 400 men in it, under the command of Captain Edward Blaney.

Fort DuPont was an earthwork fort built in 1861 completed in spring 1862 and in use till 1865 when it was abandoned.

Maori were building pa (earthwork forts) throughout N.Z. starting from around the 16th century.

The 17-gun earthwork fort was enlarged in 1782 to be 320 feet long and 170 feet wide, with two semi-circular works connected by a redan on each side.

Many partisan earthwork forts were erected and at least one was built of stone.