From the record
“The Hans Peter Nielson Gristmill, also known as the Bicknell Gristmill, in Wayne County, Utah near Bicknell, Utah, was built around 1890. It was listed on the National Register of Historic Places in 1975.”
Wikipedia article Hans Peter Nielson Gristmill, CC BY-SA 4.0.
One of 18 National Register listings published here for Wayne County · listed in 1975 · category: Building · built in 1890.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

