From the record
“Mark United Presbyterian Church is a historic church at 225 Main Street in Elbert, Colorado. It was built in 1889 and was added to the National Register of Historic Places in 1980.”
Wikipedia article St. Mark United Presbyterian Church, CC BY-SA 4.0.
One of 2 National Register listings published here for Elbert County · listed in 1980 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service