From the record
“The Rito Seco Creek Culvert, in San Luis, Colorado, was built as a Works Progress Administration project. It was listed on the National Register of Historic Places in 2002.”
Wikipedia article Rito Seco Creek Culvert, CC BY-SA 4.0.
One of 13 National Register listings published here for Costilla County · listed in 2002 · category: Structure · built in 1936.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service




