About Piñon Firewood

"The piñon (Pinus edulis) is the official State Tree.  This sturdy, slow-growing little evergreen flourishes over a vast area of the state."

http://homeschooling.about.com

These piñon trees are "found in semi-arid regions of the west" and are "native to both Arizona and New Mexico".

http://www.treenm.com

"The pinyon pines (or piñon pines), are a group of pines, which grow in the southwestern United States and Mexico; they yield edible pinyon nuts, which were a staple of the Native Americans, and are still widely eaten. The fragrance of the wood, especially when burned, is unmistakable."

 http://en.wikipedia.org/wiki/Pinyon_pine