Map of battlefield core and study areas.
<p>The ABPP narrowed and lengthened the Study Area along the Old Military Road, the route taken by Federal forces as they pursued the retreating Confederates after the action on May 1 on the Missouri side of the St. Francis River.
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The ABPP assigned a new Core Area for the action on May 1 and reduced the Core Area at Chalk Bluff to the fields of fire between opposing batteries.
American Battlefield Protection Program
National Park Service