From the record
“The EM Ranch is a site of springs that was homesteaded and became a hay, cattle and sheep ranch in Park County, Colorado, United States, near Harstel. Established in 1874, it was listed on the National Register of Historic Places in 2002.”
Wikipedia article EM Ranch, CC BY-SA 4.0.
One of 26 National Register listings published here for Park County · listed in 2002 · category: District.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

