Related by context. Frequent words. (Click for all words.) 54 Bakken 53 Spearfish 52 Havre 52 Kalispell 50 Marcellus 50 Stillwater 50 Elk 49 Lewistown 49 Bozeman 49 Gallatin 49 Bossier 48 Whitefish 48 Bartlesville 48 Mandan 48 Billings 47 Butte 46 Tioga 46 Missoula 46 Montana 45 Deer Creek 45 Laramie 45 Permian Basin 45 Flathead 45 Williston 44 Great Falls 44 Afton 44 Glenwood Springs 44 Montrose 44 Riverton 44 Elk River 44 Clear Creek 44 Teton 44 Rapid City 44 Yankton 44 Wyo. 43 Kenai 43 Kodiak 43 Vermillion 43 Wyoming 43 Cheyenne 43 Natrona County 42 Bismarck 42 Anadarko 42 Mont 42 Utica 42 Grand Junction 42 Towanda 42 Fork 42 Barnett Shale 41 Elkton 41 North Dakota 41 North Platte 41 Shawnee 41 Hermiston 41 Snake River 41 Maysville 41 Hazen 41 shale 41 Osage 41 Rusk 41 Chadron 41 Minot 41 Waverly 41 Platte 40 Polson 40 Elkhorn 40 Plainview 40 Helena 40 Wellsville 40 Steamboat Springs 40 Hot Springs 40 Ellensburg 40 Galena 40 Skyview 40 Pocatello 40 Marcellus Shale 40 Dakota 40 Herkimer 40 Sturgis 40 Creek 40 Broken Arrow 40 Deadwood 40 Watertown 40 Longview 39 El Dorado 39 Carthage 39 Canyon 39 Tahlequah 39 Frazee 39 Mayville 39 Grandview 39 Castle Rock 39 Custer 39 Cleburne 39 Twin Lakes 39 Madisonville 39 Benton 39 Breckenridge 39 Neosho 39 Onalaska 39 Red Bluff