I don't know much about them, but I found this info:

Masonary Heater Fireplace

Last edited by High_Noon; 11/11/20.
l told my pap and mam I was going to be a mountain man; acted like they was gut-shot. Make your life go here. Here's where the peoples is. Mother Gue, I says, the Rocky Mountains is the marrow of the world, and by God, I was right.
- Del Gue