National Register Listing

Louisiana Purchase Survey Marker

a.k.a. Beginning Point of the Louisiana Purchase Survey;Louisiana P

SE of Blackton at corner of Monroe and Phillips counties, Blackton, AR
Local significance of the site:
Exploration/settlement

Listed in National Register of Historic Places in 1972.

The National Register of Historic Places is the official list of the Nation’s historic places worthy of preservation. Authorized by the National Historic Preservation Act of 1966, the National Park Service’s National Register of Historic Places is part of a national program to coordinate and support public and private efforts to identify, evaluate, and protect America’s historic and archeological resources.