South Platte
geographical name
river 424 miles (682 kilometers) long in Colorado and Nebraska flowing east to join the North Platte River forming the Platte River
Cite this Entry
“South Platte.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/South%20Platte. Accessed 30 Oct. 2025.
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Merriam-Webster unabridged
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