Ranch A, Historic district in Black Hills, Wyoming.
Ranch A is a historic property in the Black Hills featuring an eight-bedroom main lodge constructed from logs, guest cabins for overnight visitors, and a working horse barn. The buildings sit among pine, spruce, and cottonwood trees within a canyon landscape, all built using materials and methods suited to the rugged Wyoming environment.
Moses Annenberg, a wealthy publisher, established Ranch A in 1932 as his private summer residence. The U.S. government took over the property in 1963 and converted it into research and educational facilities.
The property demonstrates rustic architecture through its construction methods and materials, reflecting the natural environment of northeastern Wyoming's mountainous region.
The property is managed by the Ranch A Restoration Foundation as an educational facility and venue for professional conferences and group gatherings. Most visits involve guided experiences tailored to specific academic or organizational purposes rather than casual walk-through tourism.
The property has passed through three distinct lives, starting as a private summer retreat, becoming a guest ranch, and later serving as federal research laboratories. Today it functions primarily as a teaching site for geology students and professional gatherings.
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