UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	May 20, 2013 9:00 A.M.

Form:	S-4
CIK: 0000315852 Company Name: RANGE RESOURCES CORP File Number: 333-188173
CIK: 0001463704 Company Name: American Energy Systems, LLC File Number: 333-188173-09
CIK: 0001476516 Company Name: Energy Assets Operating Co, LLC File Number: 333-188173-08
CIK: 0001298982 Company Name: Range Resources - Appalachia, LLC File Number: 333-188173-07
CIK: 0001463706 Company Name: Range Resources - Midcontinent, LLC File Number: 333-188173-06
CIK: 0001320967 Company Name: Range Resources Pine Mountain, Inc. File Number: 333-188173-05
CIK: 0001362961 Company Name: Range Texas Production, L.L.C. File Number: 333-188173-04
CIK: 0001095640 Company Name: RANGE ENERGY SERVICES CO, LLC File Number: 333-188173-03
CIK: 0001320972 Company Name: Range Operating New Mexico, LLC File Number: 333-188173-02
CIK: 0001497664 Company Name: Range Production Co /DE/ File Number: 333-188173-01