List of National Natural Landmarks in Arkansas

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From List of National Natural Landmarks, these are the National Natural Landmarks in Arkansas. There are 5 in total, 4 are forests, 1 is other (spring).

	Name	Image	Date	Location	County	Ownership	Description
1	Big Lake Natural Area		1974		Mississippi	federal	Forest area within Big Lake National Wildlife Refuge.[1]
2	Lake Winona Research Natural Area		1976		Saline	federal	Pine forest near Lake Winona, water supply lake on Alum Fork of Saline River. Part of Ouachita National Forest. [2][3]
3	Mammoth Spring	100px	June 1972	Mammoth Spring Lua error in package.lua at line 80: module 'strict' not found.	Fulton	state	The largest first magnitude spring in Arkansas, it is connected underground to another Natural Landmark, the Grand Gulf State Park in Missouri. It is protected as a state park.
4	Roaring Branch Research Natural Area		1976		Polk	federal	Steep ravine with a virgin forest in Ouachita National Forest. [4]
5	White River Sugarberry Natural Area		1974		Desha	federal	Virgin hardwood bottomland forest in White River National Wildlife Refuge. [5]

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