Related by context. Frequent words. (Click for all words.) 47 Shackelford 46 Stricklin 45 McCracken 45 Adkins 44 Raney 44 Waldrop 44 Hamblin 43 Geological Survey 42 Tackett 42 USGS 41 Cornett 41 Waggoner 41 Blankenship 41 Williford 40 Cline 40 Yarbrough 40 Hamrick 40 Hawkins 40 Swafford 40 Cantrell 40 Wooten 40 Dotson 39 McCune 39 Kuykendall 39 Barbee 39 Echols 39 Caudle 39 Dugger 39 Oyler 39 Worley 39 McDaniel 39 Tidwell 39 Stickler 38 Ashcraft 38 Daugherty 38 Hickman 38 Haney 38 Ragland 38 Wheeler 38 Meador 38 Whitlow 38 Grubbs 38 Childers 38 Wilburn 38 Woodall 38 Hulsey 38 Shrader 38 Yeager 38 Harmon 38 Hamby 37 Ballew 37 Ledford 37 Caudill 37 Workman 37 seismologists 37 Blevins 37 Landers 37 Burnette 37 Clevenger 37 Whitt 37 Tribble 37 Loftin 36 Huffman 36 Brannon 36 Lunsford 36 Cockrell 36 Houser 36 Bruner 36 Mosier 36 Fogle 36 Everhart 36 Deaton 36 Nichols 36 Kelley 36 Binkley 36 Lankford 36 Damron 36 Estep 36 Bolen 36 Sisson 36 Hemphill 36 Hinson 36 Shaver 36 Brumley 36 Shively 36 Stull 36 Shumate 36 Fancher 36 Dowdy 35 Honeycutt 35 Beeler 35 Kiser 35 Dorris 35 Goins 35 Suttles 35 Lusk 35 Bowman 35 Cagle 35 Ratcliff 35 Burch 35 Reeder