A Colorado billionaire has 90,000 acres for a proposed conservation area in the Sangre de Cristo Mountains, the largest single conservation easement ever received by the federal government. New York-based hedge-fund manager Louis Bacon announced Friday that he would protect about half of his 172,000-acre Trinchera Ranch from development in order to provide a migration corridor for local bison, cougars, bears, sheep, elk, and deer. The property, located in Colorado and New Mexico, borders Great Sand Dunes National Park and includes three peaks higher than 14,000 feet. Bought from the Forbes family for $175 million in 2007, the ranch was, at the time, the most expensive single property ever sold in the United States.
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