From the record
“The La Puente Community Ditch is a 2-mile-long (3.2 km) irrigation ditch which runs through La Puete, New Mexico, United States, that was listed on the National Register of Historic Places in 1986.”
Wikipedia article La Puente Community Ditch, CC BY-SA 4.0.
One of 46 National Register listings published here for Rio Arriba County · listed in 1986 · category: Structure.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service