From the record
“The Desert Biosphere Reserve and Experimental Range is a biosphere reserve and experimental range in western Millard County, Utah, United States, that is listed as a historic district on the National Register of Historic Places.”
Wikipedia article Desert Biosphere Reserve, CC BY-SA 4.0.
One of 26 National Register listings published here for Millard County · listed in 1994 · category: District · built in 1976.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service