The agreement includes oil and gases such as helium, carbon dioxide, gaseous sulfur compounds and coalbed methane. There are no clauses in the contract regarding environmental protections or restrictions on drilling methods.
The lease was completed in April, but filed with San Miguel County in August. Opera General Director Charles MacKay signed the lease. He was unable to be reached; his voicemail says he's out of town until Sept. 28.
Lease pdf here.