Colorado Preservation, Inc. is a 501(c)3 nonprofit charitable organization, Federal Tax number 74-2403583

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Endangered Places

Rock Creek Stage Stop

Rock Creek Stage Stop was built in the 1880s by James and Katherine Gates and is a unique two-story log structure near Gore Pass in Routt County. Over the years, it served many roles, including as a family home, hotel, post office, and stage stop. Located along an...

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Riverside Cemetery

Riverside Cemetery, incorporated in 1876, is the oldest operating cemetery in Denver. Designed by landscape engineer Harvey C. Lowrie, it was originally envisioned as a park-like setting with dense trees, expansive lawns, and a central rose garden. Today, the 77-acre...

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Rialto Theatre

With great fanfare and more than 1,500 valley residents in attendance, U.S. Vice President Charles G. Dawes placed the cornerstone of the American Legion Hall in Alamosa on July 27, 1925. The Legion Hall – to become the Rialto Theater two years later –...

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Reiling Gold Dredge

Reiling Gold Dredge is one of the most important surviving reminders of Summit County’s early twentieth-century gold dredging era. Located about 2.6 miles east of Breckenridge in French Gulch, the dredge was built for the French Gulch Dredging Company during the...

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Redstone Castle

When empires were built in a nationwide drive toward industrialism, John Cleveland Osgood constructed a forty-two-room castle, which he christened Cleveholm Manor as a testament to his achievements. Osgood formed the Colorado Fuel & Iron Company (CF&I), which...

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Red Mountain Mining District

The Red Mountain Project was launched in 1998 in an effort to preserve threatened historic landscapes and structures along the San Juan Skyway and in and around Red Mountain Pass. Dating back to 1874, this scenic, National Register-designated mining district covers...

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Ralston Cemetery

In June of 1850, Lewis Ralston made the first documented discovery of gold in Colorado.  The creek where he “found color” was named Ralston’s Creek by members of his party. The pull of the stories of riches in the California goldfields was too great for them to stop...

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R&R Market

R&R Market is the oldest continuously operated business in the State of Colorado, dating from its establishment in 1857 in the town of San Luis by Costilla County pioneer Dario Gallegos. The building was partially rebuilt after fires in 1895 and 1947 and is a...

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Preston Farm

The Preston Farm was the first “save” on Colorado Preservation, Inc.’s Most Endangered Places list.  When first listed, the site was threatened by development along the Harmony Corridor in Fort Collins.  Constructed in 1877, Preston Farm was the last...

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