It was a devastating wildfire that burned through the Catalina Mountains ten years ago. The Aspen Fire went on to destroy 340 homes and businesses on Mt. Lemmon ravaging the town of Summerhaven.
It consumed nearly 85,000 acres. Investigators suspect the fire started with a discarded cigarette but they never found the person responsible.
On Monday, the mountain continues to recover. Forest Service workers have a new kind of concern on their hands, it's called "cheat grass."
The grass began growing after the Aspen Fire and it's known to be highly flammable and harmful to native plants. The cheat grass can spread by person or car and it grows rapidly.
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