| http://www.w3.org/ns/prov#value | - illions)Arkoma Basin 3,957 62,255 $262.9Permian Basin 2,445 42,432 $593.8Big Horn Basin 1,282 21,209 $431.1Piceance Basin 1,595 18,994 $132.6Gulf Coast Basin 667 9,410 $181.6Wind River Basin 877 8,682 $83.7Williston Basin 555 5,796 $139.9Powder River Basin 1,560 3,481 $8.4 The following is a description of our properties by operating basin:Arkoma Basin PropertiesOur Arkoma Basin properties include
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