Louisiana Purchase Survey Marker
Historic site in Arkansas. Built 1961. Added to the National Register in 1972, and a National Historic Landmark.



What it is
The Louisiana Purchase State Park, located in eastern Arkansas, commemorates the initial point from which public lands acquired through the 1803 Louisiana Purchase were subsequently surveyed.
Text from Wikipedia, CC BY-SA 4.0.
The record
| Property type | Site |
| Address | SE of Blackton at corner of Monroe and Phillips counties, Blackton vicinity, AR |
| County | Lee County |
| Listed | Feb 23, 1972 |
| Listed for | Exploration and settlement |
| Level of significance | National |
| Also known as | Beginning Point of the Louisiana Purchase Survey; Louisiana P |
| Reference number | 72000206 |
| Built | 1961 · more from the 1960s |
| Type of place | Arkansas state park, historic site, protected area |
| Designations | National Historic Landmark |
| Contributing resources | 1 site, 1 object |
Visiting
| Address | SE of Blackton at corner of Monroe and Phillips counties, Blackton, AR |
| Coordinates | 34.6468° N, 91.0515° W · Directions ↗ |
| Nearest national park unit | Arkansas Post National Memorial · 47 miles · on Park Atlas |
Explore
Map
Nearby in Lee County
Arkansas travel guides
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Titles come from Open Library's catalog, matched by subject heading or by title.
Reference
Questions people ask
When was Louisiana Purchase Survey Marker listed on the National Register?
Feb 23, 1972. It is also a National Historic Landmark, the higher of the two designations.
Source: National Park Service
When was Louisiana Purchase Survey Marker built?
1961.
Source: Wikidata
Can I visit Louisiana Purchase Survey Marker?
Yes. Louisiana Purchase Survey Marker is recorded as open to the public.
Source: Wikidata
Where is Louisiana Purchase Survey Marker?
SE of Blackton at corner of Monroe and Phillips counties, Blackton vicinity, Lee County, Arkansas. The nearest national park unit is Arkansas Post National Memorial, 47 miles away.
Source: Arkansas Post National Memorial
What does the Louisiana Purchase Survey Marker listing include?
The listing counts 2 contributing resources. Those are 1 site and 1 object. A contributing resource is a part of the listed property that carries its historic significance.
Source: National Park Service
Is there a wildfire near Louisiana Purchase Survey Marker right now?
1 active incident within 50 miles as of 2026-10-17, nearest Monroe 296, 14 miles away.
Source: Map
Sources
Location, type and contributing counts come from the National Park Service's National Register spatial data. Listing dates come from the National Register office's spreadsheet where it carries the listing. Construction date, architect, style, photograph and encyclopedia link come from Wikidata and Wikimedia Commons, matched on reference number 72000206. Nothing here is transcribed by hand. The nomination form and photographs ↗ at NPGallery are the original nomination as filed with the National Park Service, and the form is often the best description of the place. The description under "What it is" is the opening of the Wikipedia article, CC BY-SA.