From the record
“The Barnsdall Main Street Well is a formerly active oil well in the middle of Main Street in the town of Barnsdall, Oklahoma. It is believed to be the only such oil well anywhere in the world.”
Wikipedia article Barnsdall Main Street Well Site, CC BY-SA 4.0.
One of 23 National Register listings published here for Osage County · listed in 1997 · category: Site · built in 1914.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service
