![]() A lithographic print of "Fort Union on the Missouri" published circa 1843 (FOUS 2761). NPS Nature & Science Situated along the Missouri River, the park straddles the Montana/North Dakota state line. At an elevation of 1,900 feet, the park is located on the southern edge of the glaciated subsection of the vast Missouri Plateau. This area, a segment of the Badlands Vegetation Zone, includes mixed-grass prairie, coulees, deciduous groves, and river bottoms that encompass mixed grasses, riparian, and Rocky Mountain plant species. The present vegetation is a mixture of native plant communities and remnant or invasive exotics. Animals Plants Natural Features & Ecosystems |
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Last updated: April 24, 2021