UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	June 16, 2017 4:00 P.M.

Form:	S-4
CIK: 0001172139 Company Name: BILL BARRETT CORP File Number: 333-218414
CIK: 0001524790 Company Name: Aurora Gathering, LLC File Number: 333-218414-02
CIK: 0001466850 Company Name: Circle B Land Co LLC File Number: 333-218414-01