" " Carter Co. Harding Co. Perkins Co. Dunn Co. Dawson Co. Fallon Co. Butte Co. Stark Co. Slope Co. Billings Co. Bowman Co. Wibaux Co. Adams Co. Custer Co. McKenzie Co. Hettinger Co. Prairie Co. Golden Valley Co. Crook Co. Richland Co. Powder River Co. £ ¤ 94 £ ¤ 85 £ ¤ 12 £ ¤ 12 U V 200 U V 16 U V 8 U V 16 U V 200 U V 200 U V 200 CEDAR HILLS CEDAR CREEK TR PINE PENNEL BUFFALO LITTLE KNIFE FRYBURG MONDAK PLEVNA LOOKOUT BUTTE E ELKHORN RANCH DICKINSON CADY CREEK MEDICINE POLE HILLS BICENTENNIAL ROOSEVELT BIG STICK ROUGH RIDER MONARCH TREE TOP LOOKOUT BUTTE BUCKHORN MEDORA FLAT TOP BUTTE ELAND DEMORES ASH COULEE WHISKEY JOE GAS CITY DAVIS CREEK WINDY RIDGE POKER JIM PLEVNA S KNUTSON STATE LINE BELL BEAR CREEK ELKHORN RANCH N PIERRE CREEK LONE BUTTE ZENITH MANNING SQUAW GAP AMOR STADIUM HEART S HILINE ASH MARY GAYLORD BULL CREEK HALEY SHORT PINE HILLS W CABIN CREEK GASLIGHT CUPTON DEVILS PASS LITTLE MISSOURI LITTLE BEAVER COOKS PEAK LITTLE BEAVER E CORAL CREEK BEAVER CREEK MORGAN DRAW WATERHOLE CREEK DEER CREEK GRASSY BUTTE CROOKED CREEK CINNAMON CREEK HORSE CREEK KILLDEER SQUARE BUTTE GRAND RIVER RIDER ROCKY RIDGE FOUR EYES TRACY MOUNTAIN COYOTE CREEK HAY DRAW SAND CREEK ROCKY HILL MARQUIS LAKE ILO SAXON COLD TURKEY CREEK GLENDIVE BRANCH N WOODROW ST DEMETRIUS DIVIDE JONES CREEK CEDAR HILLS W BOWLINE BULL MOOSE WERNER BUTTE RPD-66 REPEAT RPD_HARDINGCO_1 HARDING SPRINGS E RED WING CREEK ICE CAVES TRAILSIDE SNOWCOVER RPD-49 RPD-16 RPD-19 RUSSIAN CREEK BARTA RPD_7 RPD_11 OAKDALE SCAIRT WOMAN WILLMEN JIM CREEK TAYLOR SIMON BUTTE SCHEFIELD BULL RUN BAILEY HORSE CREEK S CARLYLE BULLY SNOW TABLE MOUNTAIN COVERED BRIDGE DANCE CREEK RPD_10 GLADE YATES WILLS CREEK S FERTILE PRAIRIE BLOOMFIELD SCORIA TRAVERS RANCH HEART RIVER GREEN RIVER CHATEAU DUTCH HENRY BUTTE CABERNET FAYETTE HODGES CREEK WHITETAIL PINE UNIT PINE S PETES CREEK CASH OLLIE BOXCAR S CORRAL CREEK GOLD WIBAUX HALLIDAY RHAME RICHARDTON RPD_BUTTECO_3 RPD_CARTERCO_1 DELHI ELEVEN BAR TROTTERS CAMEL HUMP RPD_3 RPD_2 RPD_6 RPD_1 RPD_4 RPD_8 ZENITH BELL RPD_9 RPD_5 PINE E DAVIS BUTTES HUNGRY MAN BUTTE DOBSON BUTTE PEARL MEDICINE POLE HILLS S SKULL CREEK LOST BRIDGE COREY BUTTE ST JACOBS RPD-70 RPD-67 RPD-72 BEACH RATTLESNAKE BUTTES SEVEN MILE DICKINSON W NEW HRADEC ZENITH-NEWTON VERSIPPI CHAMA MURPHY CREEK DEER CREEK N RPD_13 RPD_12 GOLD S BLUE MOUNTAIN GOSSETT MAGPIE BEICEGEL CREEK RANCH COULEE AMIDON CRATER BULLSNAKE BUTTE-HARDING BURNS CREEK S WILLS CREEK DUCK CREEK RATTLESNAKE POINT RPD_BUTTECO_2 CREEK N ROUND TOP BUTTE GORHAM BUTTE W UKRAINA SADDLE BUTTE CEDAR COULEE BURNING MINE NORWEGIAN CREEK RPD_HARDINGCO_3 RPD_HARDINGCO_5 RPD_HARDINGCO_6 RPD_HARDINGCO_7 RHOADES YELLOW HAIR DEADLINE WILLIAMS CREEK FAIRFIELD RPD_HARDINGCO_4 WOLF BAY YELLOWSTONE LAMESTEER CREEK SIX CREEK BULL MOOSE S HOOT OWL RPD_HETTINGERCO_1 BIG GULCH BLACKTAIL LIVESTOCK MARMARTH COW BUTTE MIKKELSON WANNAGAN BLACK DIAMOND RPD_DAWSONCO_1 GLENDIVE S CRANE HARDING SPRINGS GLADSTONE EAGLE NEST SUBDIVISION KRUG CREEK BONNIE VIEW BURNS CREEK TEPEE BUTTE CHARLIE BOB RPD_MCKENZIECO_2 CANNONBALL WAGON TRAIL ANDERSON COULEE CANNON BALL CAMEL CREEK FOX HILL DOME RPD_BILLINGSCO_1 FRANKS CREEK SECOND CREEK CHIMNEY BUTTE BUFFALO CREEK BENNETT CREEK HAYSTACK BUTTE MOCCASIN CREEK CLARKSON RANCH RPD_HARDINGCO_2 RPD-73 RED WING CREEK E HEART BUTTE LITTLE TANK Glendive 102°30'0"W 102°30'0"W 103°0'0"W 103°0'0"W 103°30'0"W 103°30'0"W 104°0'0"W 104°0'0"W 104°30'0"W 104°30'0"W 105°0'0"W 105°0'0"W 47°30'0"N 47°30'0"N 47°0'0"N 47°0'0"N 46°30'0"N 46°30'0"N 46°0'0"N 46°0'0"N 45°30'0"N 45°30'0"N 45°0'0"N 45°0'0"N Montana North Dakota South Dakota Wyoming INDEX MAP ± 0 10 20 5 15 Miles Williston Basin Oil And Gas Fields 2004 BOE Reserve Class No 2004 reserves 0.1 - 10 MBOE 10.1 - 100 MBOE 100.1 - 1,000 MBOE 1,000.1 - 10,000 MBOE 10,000.1 - 100,000 MBOE >100,000 MBOE Study Area Outline Basin Number of Fields Total Liquid Reserves (Mbbls) Total Gas Reserves (MMcf) Total BOE Reserves (Mbbls) WILLISTON BASIN 955 769,007 840,561 909,101 The mapped oil and gas field boundary outlines were created by the Reserves and Production Division, Office of Oil and Gas, Energy Information Administration pursuant to studies required by Section 604 of the Energy Policy and Conservation Act Amendments of 2000 (P.L. 106-469). The boundaries are not informed by subsurface structural information. The data and methods used in their creation are detailed in a report, "Scientific Inventory of Onshore Federal Lands' Oil and Gas Resources and Reserves and the Extent and Nature of Restrictions to Their Development", prepared by the US Departments of Interior, Agriculture and Energy. 30-m DEM shaded relief from USGS National Map Seamless Server, Map created May 2008; projection is UTM-14, NAD-27. Authors: Samuel H. Limerick (1), Lucy Luo (1), Gary Long (2), David F. Morehouse (2), Jack Perrin (1), and Robert F. King (2) (1) Z, Inc., (2) Energy Information Administration CANADA Map 1 Map 2 Map 3 Williston Basin, South (Panel 1 of 3) Oil and Gas Fields By BOE Reserve Class U.S. Energy Information Administration