UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: May 31, 2013 4:00 P.M.
Form: S-4
CIK: 0001509589
Company Name: Bonanza Creek Energy, Inc.
File Number: 333-188774
CIK: 0001577532
Company Name: Bonanza Creek Energy Operating Company, LLC
File Number: 333-188774-05
CIK: 0001577531
Company Name: Bonanza Creek Energy Resources Company, LLC
File Number: 333-188774-04
CIK: 0001577533
Company Name: Bonanza Creek Energy Upstream LLC
File Number: 333-188774-03
CIK: 0001577534
Company Name: Bonanza Creek Energy Midstream, LLC
File Number: 333-188774-02
CIK: 0001577538
Company Name: Holmes Eastern Company, LLC
File Number: 333-188774-01