UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: April 20, 2011 5:00 P.M.
Form: S-4
CIK: 0001059324
Company Name: PETROHAWK ENERGY CORP
File Number: 333-173111
CIK: 0001374282
Company Name: Petrohawk Operating CO
File Number: 333-173111-17
CIK: 0001374269
Company Name: P-H Energy, LLC
File Number: 333-173111-16
CIK: 0001374155
Company Name: Petrohawk Holdings, LLC
File Number: 333-173111-15
CIK: 0001374283
Company Name: Hawk Field Services, LLC
File Number: 333-173111-14
CIK: 0001374281
Company Name: Petrohawk Properties, LP
File Number: 333-173111-13
CIK: 0001374270
Company Name: Winwell Resources, L.L.C.
File Number: 333-173111-12
CIK: 0001374284
Company Name: WSF, Inc.
File Number: 333-173111-11
CIK: 0001050188
Company Name: KCS RESOURCES, LLC
File Number: 333-173111-10
CIK: 0001050196
Company Name: KCS ENERGY SERVICES INC
File Number: 333-173111-09
CIK: 0001050200
Company Name: MEDALLION CALIFORNIA PROPERTIES CO
File Number: 333-173111-08
CIK: 0001462072
Company Name: One Tec, LLC
File Number: 333-173111-07
CIK: 0001462037
Company Name: One Tec Operating, LLC
File Number: 333-173111-06
CIK: 0001050198
Company Name: PROLIQ INC
File Number: 333-173111-05
CIK: 0001462036
Company Name: HK Energy Marketing, LLC
File Number: 333-173111-04
CIK: 0001462035
Company Name: Bison Ranch LLC
File Number: 333-173111-03
CIK: 0001470529
Company Name: HK Transportation, LLC
File Number: 333-173111-02
CIK: 0001500483
Company Name: Big Hawk Services, LLC
File Number: 333-173111-01