List of U.S. Counties Named After Rivers - L

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• Las Animas County, Colorado: Las Animas is named for the Las Animas River, originally El Rio de las Animas Perdidas en Purgatorio, or, in English, "River of the Souls Lost in Purgatory".
• Latah County, Idaho: Latah is named after Latah Creek.
• Lehigh County, Pennsylvania: Leigh is named after the Lehigh River; a tributary of the Delaware River.
• Limestone County, Alabama: Limestone is named for Limestone Creek, which runs through the county and has a bed of limestone.
• Little River County, Arkansas: Little River is named for the Little River.
• Loup County, Nebraska: Loup is named for the Loup River.