From the record
“The Lewis Mill, near Telluride, Colorado, was built in 1910. It was listed on the National Register of Historic Places in 2009.”
Wikipedia article Lewis Mill (Telluride, Colorado), CC BY-SA 4.0.
One of 9 National Register listings published here for San Miguel County · listed in 2009 · category: Building · built in 1910.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service · the Wikipedia article



