Photograph of Louisiana Purchase State Park — Photograph by Brandonrush, CC BY-SA 3.0. Via Wikimedia Commons.

Louisiana Purchase Survey Marker

A National Historic Landmark. Built in 1961. Listed on the National Register of Historic Places in 1972.

From the record

“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.”
Wikipedia article Louisiana Purchase State Park, CC BY-SA 4.0.

One of 11 National Register listings published here for Lee County · listed in 1972 · category: Site · built in 1961 · a National Historic Landmark.

Sources: the Wikipedia article · the National Register database, National Park Service

The listing

National Historic Landmark. The highest federal designation, held by about 2,600 places in the country against roughly 100,000 Register listings.
What is counted as historic. The nomination lists 1 site, 1 object as contributing to the listing.
Address. SE of Blackton at corner of Monroe and Phillips counties, Blackton
When was it listed? February 1972
Category. site
When was it built? 1961
National Register reference number. 72000206 - assigned by the National Park Service when the property was listed.

Fires near this property

3 since 2000

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 3 fires within 5 miles of Louisiana Purchase Survey Marker between 2000 and 2015, burning about 36 acres in total. None started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.

Reported cause	Fires
Debris and open burning	3

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

Date	Cause	Size	Reported by	Name on the report
23 August 2000	Debris and open burning	18 acres	Arkansas Forestry Commission	not named
22 August 2000	Debris and open burning	13 acres	Arkansas Forestry Commission	not named
15 October 2015	Debris and open burning	5.0 acres	Arkansas Forestry Commission	not named

Every fire recorded in Lee County

Map coverage status

No historic map-sheet match is published for this property yet. That does not mean no map exists. This record needs a coordinate-quality review before it can be joined to a sheet boundary. Browse the county's mapped places while that work is pending.

Sources for this property

National Archives record	The nomination case file for reference 72000206 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Lee County	All 11 listed properties in this county.

Provenance

Listing record. National Park Service National Register of Historic Places, listed-properties dataset, current to 2026-05-22.
Map join. Address geocoded through the United States Census geocoder, then tested against the published boundary of every sheet in the USGS Historical Topographic Map Collection.
How this page is made. Listing fields come from federal records; map-sheet coverage is a labelled coordinate-to-boundary calculation, not a source-field claim.
Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.