Eddy County's 4,198 square miles were carved from the massive land holdings of Lincoln County, then the largest county in the United States, on February 25, 1889. Early Spanish explorers and Native Americans had used the seemingly endless water supply of the Pecos River, which bisects the county, as a trail to the north. Seven Rivers, the first settlement in the Pecos Valley, battled the newly formed town of Eddy for the honor of remaining county...