[1] It was deemed significant "because it represents the themes of late 19th Century pioneer settlement and agricultural development, and was the home of the celebrated author, Mary O'Hara, who wrote extensively of the Wyoming landscape and ranch life.

A beautifully braided horse hair bridle and reins was gifted Gunston by Tom Horn and still hangs in perfect condition on the wall of the bar at the Remount.

The ranch complex includes: Also contributing is a "massive, pink granite wall [which] retains the gentle slope of the hill behind the main house.

Built originally in 1886 and enlarged and expanded in 1930, this structure adds to the significance of the district and the overall beauty of the compound.

It has granite stairs that ascend to the sloping, conifer covered meadow behind the main house, where a visitor can view the entire ranch and the rolling hills and high plains that typify the vast beauty of Wyoming.