Monroe Natatorium Salt Water Pipe.

https://louisianadigitallibrary.org/islandora/object/oplib-orv%3A61

This postcard shows one of the pipes that filled the Natatorium pool, probably taken in the 1910’s. If you look close, you can also see the steam/gas coming out. It was a novelty when the well was first discovered to light the gas and see water and fire coming from the same pipe!