THRUST BELT Kav ADAVILLE FORMATION Kbb BLIND BULL FORMATION Kh HILLIARD SHALE Kf FRONTIER FORMATION Kss SAGE JUNCTION, QUEALY, COKEVILLE, THOMAS FORK, AND SMITHS FORMATIONS Kws WAYAN AND SMITHS FORMATIONS--One outcrop along Idaho border Ka ASPEN SHALE Kbr BEAR RIVER FORMATION Kg GANNETT GROUP--Includes Smoot Formation, Draney Limestone, Bechler Conglomerate, Peterson Limestone, and Ephraim Conglomerate Jst STUMP FORMATION, PREUSS SANDSTONE OR REDBEDS, AND TWIN CREEK LIMESTONE J@n NUGGET SANDSTONE J@nd NUGGET SANDSTONE, ANKAREH FORMATION, THAYNES LIMESTONE, WOODSIDE SHALE, AND DINWOODY FORMATION @ad ANKAREH FORMATION, THAYNES LIMESTONE, WOODSIDE SHALE AND DINWOODY FORMATION Pp PHOSPHORIA FORMATION P&Ma PHOSPHORIA, WELLS, AND AMSDEN FORMATIONS P&M WELLS AND AMSDEN FORMATIONS Mm MADISON GROUP MD MADISON GROUP AND DARBY FORMATION Sl LAKETOWN DOLOMITE--Uinta County O_ BIGHORN DOLOMITE, GALLATIN LIMESTONE, AND GROS VENTRE FORMATION NORTHERN YELLOWSTONE Klc LANDSLIDE CREEK FORMATION Ket EVERTS FORMATION, EAGLE SANDSTONE, AND TELEGRAPH CREEK FORMATION Kc CODY SHALE Kft FRONTIER FORMATION AND MOWRY AND THERMOPOLIS SHALES KJk KOOTENAI AND MORRISON FORMATIONS AND ELLIS GROUP @cd CHUGWATER AND DINWOODY FORMATIONS P&Ma PHOSPHORIA FORMATION AND RELATED ROCKS, QUADRANT SANDSTONE, AND AMSDEN FORMATION--Intertonguing equivalent of part of the Phosphoria is Shedhorn Sandstone MD MADISON GROUP AND THREE FORKS AND JEFFERSON FORMATIONS DO THREE FORKS AND JEFFERSON FORMATIONS AND BIGHORN DOLOMITE O_ BIGHORN DOLOMITE, SNOWY RANGE FORMATION, PILGRIM LIMESTONE, PARK SHALE, MEAGHER LIMESTONE, WOLSEY SHALE, AND FLATHEAD SANDSTONE NORTH Kl LANCE FORMATION Klm LANCE FORMATION, FOX HILLS SANDSTONE, MEETEETSE FORMATION, AND BEARPAW AND LEWIS SHALES--In the Bighorn Basin consists of Lance, Meeteetse, and, in the southeastern part, tongue of Lewis Shale; in the northern part of the Wind River Basin, of Lance, Meeteetse, and Lewis, and, in the southeastern part of the basin, of Lance and Lewis; on the west side of the Powder River Basin north of T. 45 N., of Lance, Fox Hills, and Bearpaw, and, to the south, of Lance, Fox Hills, and Lewis Kha HAREBELL FORMATION Kfh FOX HILLS SANDSTONE Kfl FOX HILLS SANDSTONE AND LEWIS SHALE Kfb FOX HILLS SANDSTONE AND BEARPAW SHALE Km MEETEETSE FORMATION Kml MEETEETSE FORMATION AND LEWIS SHALE Kle LEWIS SHALE Kmv MESAVERDE FORMATION Kso SOHARE FORMATION Ksb SOHARE FORMATION AND BACON RIDGE SANDSTONE Kb BACON RIDGE SANDSTONE Kc CODY SHALE Kcf CODY SHALE AND FRONTIER FORMATION Ks STEELE SHALE Kn NIOBRARA FORMATION Kf FRONTIER FORMATION Kft FRONTIER FORMATION AND MOWRY AND THERMOPOLIS SHALES Kmt MOWRY AND THERMOPOLIS SHALES KJ CLOVERLY AND MORRISON FORMATIONS--In southern Yellowstone area and Jackson Hole the presence of the Morrison is questionable