From the record
“The Mount Harkness Fire Lookout, on Mount Harkness in Lassen Volcanic National Park, in Plumas County, California near Mineral, California, was listed on the National Register of Historic Places in 2017.”
Wikipedia article Mount Harkness Fire Lookout, CC BY-SA 4.0.
One of 4 National Register listings published here for Plumas County · listed in 2017 · category: Building · built in 1930, National Park Service rustic.
Sources: the Wikipedia article · the National Register database, National Park Service













