From the record
“The Roosevelt Lodge Historic District comprises the area around the Roosevelt Lodge in the northern part of Yellowstone National Park, near Tower Junction. The district includes 143 buildings ranging in size from cabins to the Lodge, built beginning in 1919.”
Wikipedia article Roosevelt Lodge Historic District, CC BY-SA 4.0.
One of 38 National Register listings published here for Park County · listed in 1983 · category: District.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service