| State Code |
Formation Name |
| ##### |
UNKNOWN |
| ABAJO |
ABAJO |
| ABERD |
ABERD |
| ADVIL |
ADAVILLE |
| AKAH |
AKAH |
| ALLU |
ALLUVIUM |
| AMDN |
AMSDEN |
| ANCMN |
ANCHOR MINE |
| ANETH |
ANETH |
| ANHYD |
ANHYDRITE |
| ANKH |
ANKAREH |
| ARAS |
ARAPIEN SHALE |
| ARKO |
ARKOSE |
| ASPEN |
ASPEN |
| ATOKA |
ATOKA |
| BGHD |
BIG HORN DOLOMITE |
| BLFSD |
BLUFF SANDSTONE |
| BLKHK |
BLACKHAWK |
| BLUGT |
BLUE GATE |
| BMSW |
BASE OF USDW |
| BNDBT |
BOUNDRY BUTTE |
| BNDRG |
BOUNDRY RIDGE |
| BRAZR |
BRAZER |
| BRBSN |
BRUSHY BASIN |
| BRKCK |
BARKER CREEK |
| BROCN |
BURRO CANYON |
| BRRVR |
BEAR RIVER |
| BRTAN |
BRIGHT ANGEL |
| BSLT |
TERTIARY-BASALT |
| BUKCN |
BUCK CANYON |
| BUKHN |
BUCKHORN |
| BUKTG |
BUCK TONGUE |
| BWMAN |
BOWMAN |
| CARM |
CARMEL |
| CCSD |
COCONINO SANDSTONE |
| CDMSA |
CEDAR MESA |
| CDMTN |
CEDAR MOUNTAIN |
| CG-ET |
CASTLEGATE-ENTRADA |
| CHIN |
CHINLE |
| CHIU |
CHIULE |
| CHPTA |
CHAPITA WELLS |
| CLVL |
CALLVILLE |
| CM-BK |
CEDAR MTN-BUCKHORN |
| CM-MR |
CEDAR MTN-MORRISON |
| CMBRN |
CAMBRIAN |
| CMENN |
CDMTN-ENRD-NAVA |
| CMEW |
CDMTN-MRSN-ENRD-WINGT |
| CMYRK |
CHIMNEY ROCK |
| CNCR |
CANE CREEK |
| COLT |
COLTON |
| CR-EN |
CURTIS-ENTRADA |
| CRAFD |
CRAWFORD |
| CRETA |
CRETACEOUS |
| CRTS |
CURTIS |
| CSLGT |
CASTLEGATE |
| CSLPK |
CASTLE PEAK |
| CSLRK |
CASTLE ROCK |
| CT-EN |
CUTLER-ENTRADA |
| CTHRT |
CUTLER-HONAKER TRAIL |
| CTHSA |
CUTLER-HERMOSA |
| CTLR |
CUTLER |
| CUCRK |
CURRENT CREEK |
| CUTG |
CUTLER GROUP |
| DARB |
DARBY |
| DCEN |
DKTA-CDMTN-ENRD-NAVA |
| DCHLY |
DECHELLY |
| DCMCE |
DKTA-CDMTN-CRTS-ENRD |
| DCMEN |
DKTA-CDMTN-ENRD |
| DCMEW |
DKTA-CDMTN-MRSN-ENRD-WNGT |
| DCMME |
DKTA-CDMTN-MRSN-ENRD |
| DCMMR |
DKTA-CDMTN-MRSN |
| DCMMS |
DKTA-CDMTN-MRSN-SUMM |
| DCMNK |
DAKOTA-CEDAR MTN-NAVAJO-K |
| DECYN |
DEATH CANYON |
| DESMO |
DES MOINES |
| DESRT |
DESERET |
| DGCRK |
DOUGLAS CREEK |
| DHOLW |
DRY HOLLOW |
| DIACK |
DIAMOND CREEK |
| DK-BK |
DAKOTA-BUCKHORN |
| DK-CM |
DAKOTA-CEDAR MTN |
| DK-MR |
DAKOTA-MORRISON |
| DK-SD |
DAKOTA-SAND |
| DKCYN |
DARK CANYON |
| DKENN |
DAKOTA-ENTRADA-NAVAJO |
| DKMNB |
DAKOTA-MANCOS B |
| DKMNC |
DAKOTA-MANCOS |
| DKMRE |
DAKOTA-MORRISON-ENTRADA |
| DKNVJ |
DAKOTA-NAVAJO |
| DKTA |
DAKOTA |
| DMEW |
DKTA-MRSN-ENRD-WINGT |
| DNWD |
DINWOODY |
| DSCR |
DESERT CREEK |
| DSRTL |
DESERET LIMESTONE |
| DUCHR |
DUCHESNE RIVER |
| DVNN |
DEVONIAN |
| ECCC |
ECHO CANYON CONGLOMERATE |
| ELBT |
ELBERT |
| ELEC |
ELEPHANT CANYON |
| EMMA |
EMERY-MANCOS |
| EMRY |
EMERY |
| ENDMR |
ENTRADA-MORRISON |
| ENKAY |
ENTRADA-KAYENTE |
| ENRD |
ENTRADA |
| ENTNA |
ENTRADA-NAVAJO |
| ENWIN |
ENTRADA-WINGATE |
| EURKA |
EUREKA |
| EVACK |
EVACUATION CREEK |
| EVAN |
EVANSTON |
| FLAG |
FLAGSTAFF |
| FN-DK |
FERRON DAKOTA |
| FR-DK |
FRONTIER DAKOTA |
| FRLD |
FRUITLAND |
| FRNCL |
FERRON COAL |
| FRSD |
FERRON SANDSTONE |
| FRTR |
FRONTIER |
| FSHCK |
FISH CREEK |
| FSHVN |
FISH HAVEN |
| FTUN |
FORT UNION |
| GALTN |
GALLATIN |
| GANNT |
GANNET |
| GARGL |
GARDEN GULCH |
| GDRSD |
GOODRIDGE SANDSTONE |
| GIRCK |
GIRAFFE CREEK |
| GLNCN |
GLEN CANYON |
| GONKS |
GOOSENECKS |
| GOTH |
GOTHIC |
| GR-WS |
GREEN RIVER-WASATCH |
| GRAN |
GRANITE |
| GRGBS |
GRRV GLEN BENCH SAND |
| GRLIM |
GREEN RIVER-LIMESTONE |
| GRNHN |
GREENHORN |
| GRRS |
GRANEROS |
| GRRV |
GREEN RIVER |
| GRRVL |
GREEN RIVER - LOWER |
| GRRVU |
GREEN RIVER - UPPER |
| GRWMV |
GREEN RIVER-WASATCH-MVRD |
| GRWSH |
GRANITE WASH |
| GYPSP |
GYPSUM SPRINGS |
| HALGT |
HALGAITE TONGUE |
| HATCH |
HATCH |
| HENFR |
HENEFER |
| HERMT |
HERMIT |
| HILS |
HILLIARD SHALE |
| HMBG |
HUMBUG |
| HNKRT |
HONAKER TRAIL |
| HORSH |
HORSESHOE |
| HOSKI |
HOSKINNINI |
| HOVWP |
HOVENWEEP |
| HRMS |
HERMOSA |
| HRNLM |
HORN LIME |
| HRSBN |
HORSE BENCH |
| INDOL |
INIANOLA |
| IS-DC |
ISMAY-DESERT CREEK |
| ISLND |
ISLAND |
| ISMY |
ISMAY |
| JEFF |
JEFFERSON |
| JHNCK |
JOHNSON CREEK |
| JRSC |
JURASSIC |
| JURCT |
JURASSIC-CRETACEOUS |
| KAIP |
KAIPAROWITS |
| KAYT |
KAYENTA |
| KBAB |
KAIBAB |
| KBBCM |
KAIBAB-CEDAR MESA |
| KEEV |
KEETLY VOLCANICS |
| KELVN |
KELVIN |
| KNWTH |
KENILWORTH |
| KRTLD |
KIRTLAND |
| LASL |
LA SAL |
| LDLL |
LEADVILLE |
| LEDCK |
LEEDS CREEK |
| LEWS |
LEWIS SHALE |
| LKBDS |
LAKE BEDS |
| LKTA |
LAKOTA |
| LKTD |
LAKETOWN DOLOMITE |
| LKTWN |
LAKETOWN |
| LNGWL |
LONGWALL |
| LTLLP |
LITTLE LOOP |
| LYNCH |
LYNCH |
| LYND |
LYNCH DOLOMITE |
| MASUK |
MASUK |
| MBMFD |
MNCSB-MNCS-FRTR-DKTA |
| MCRKN |
MCCRACKEN |
| MDB |
MANCOS-DAKOTA-BUCKHORN |
| MDE |
MANCOS-DAKOTA-ENTRADA |
| MDKMN |
MANCOS-DAKOTA-MORRISON |
| MDSN |
MADISON |
| MEW |
MORRISON-ENTRADA-WINGATE |
| MFD |
MANCOS-FRONTIER-DAKOTA |
| MHGBN |
MAHOGANY BENCH |
| MIOCN |
MIOCENE |
| MISSO |
MISSOURI |
| MMDCM |
MVRD-MNCS-DKTA-CDMTN |
| MMDM |
MVRD-MNCS-DKTA-MRSN |
| MMFD |
MVRD-MNCS-FRTR-DKTA |
| MMNDK |
MESAVERDE-MANCOS-DAKOTA |
| MNCS |
MANCOS |
| MNCSB |
MANCOS B |
| MNCYN |
MANNING CANYON |
| MNDHL |
MENDENHALL |
| MNENN |
MANCOS-ENTRADA-NAVAJO |
| MNKP |
MOENKOPI |
| MOATN |
MOAB TONGUE |
| MOLAS |
MOLAS |
| MONCK |
MONTEZUMA CREEK |
| MONFL |
MOONEY FALLS |
| MR-BK |
MORRISON-BUCKHORN |
| MR-SW |
MORRISON-SALT WASH |
| MRGN |
MORGAN |
| MRNEN |
MORRISON-ENTRADA |
| MRSN |
MORRISON |
| MSBK |
MOSSBACK |
| MSSP |
MISSISSIPPIAN |
| MSZC |
MESOZOIC |
| MUAV |
MUAV |
| MVDCL |
MESA VERDE COAL |
| MVDCM |
MESA VERDE-DAKOTA-CEDAR M |
| MVMCS |
MESA VERDE-MANCOS |
| MVRD |
MESA VERDE |
| MWRY |
MOWRY |
| MXFLD |
MAXFIELD |
| NAVA |
NAVAJO |
| NAVWN |
NAVAJO-WINGATE |
| NBRR |
NIOBRARA |
| NEOLA |
NEOLA |
| NGSD |
NUGGET SANDSTONE |
| NHMVD |
NORTH HORN-MESA VERDE |
| NHORN |
NORTH HORN |
| OCERK |
OCEAN ROCK |
| OHCRK |
OHIO CREEK |
| OLIGN |
OLIGOCENE |
| OLSHL |
OIL SHALE |
| OPHIR |
OPHIR |
| OQURH |
OQUIRRH |
| ORDVN |
ORDOVICIAN |
| ORGS |
ORGAN ROCK SHALE |
| ORRK |
ORGAN ROCK |
| OURAY |
OURAY |
| OWCRK |
OWL CREEK |
| OYRDG |
OYSTER RIDGE |
| PAGE |
PAGE |
| PAKON |
PAKOON |
| PALEC |
PALEOCENE |
| PALEO |
PALEOZOIC CARBONATES |
| PAPLE |
PAPLEE |
| PARCK |
PARACHUTE CREEK |
| PCCF |
PICTURED CLIFFS |
| PENN |
PENNSYLVANIAN |
| PERMN |
PERMIAN |
| PINK |
PINKERTON |
| PLINE |
PLIOCENE |
| POGO |
POGONIP |
| PORK |
PORK SHALE |
| PRCAM |
PRECAMBRIAN |
| PRDX |
PARADOX |
| PRES |
PREUSS SALT |
| PREUS |
PREUSS |
| PRKCT |
PARK CITY |
| PRRV |
PRICE RIVER |
| PSPR |
PHOSPHORIA |
| PTRPT |
PETERS POINT |
| QUTWP |
QUEANTOWEAP |
| RDWL |
REDWALL LIMESTONE |
| REYOD |
REYNOLDO |
| RICH |
RICH |
| RICO |
RICO |
| ROCYN |
ROCK CANYON |
| SALT |
SALT |
| SEGO |
SEGO |
| SEVY |
SEVY DOLOMITE |
| SHAFR |
SHAFER |
| SILRN |
SILURIAN |
| SIMSN |
SIMONSON |
| SLDRK |
SLIDE ROCK |
| SLTLK |
SALT LAKE |
| SLTW |
SALT WASH |
| SNARO |
SAN ARROYO |
| SNBDL |
SINBAD LIMESTONE |
| SNRFL |
SAN RAFAEL |
| SPCYN |
SPRING CANYON |
| SRMP |
SHINARUMP |
| STNCB |
STONE CABIN |
| STRC |
STRAIGHT CLIFFS |
| STRPT |
STAR POINT |
| STUMP |
STUMP |
| SUMM |
SUMMERVILLE |
| SUNSD |
SUNNY SIDE |
| SUPAI |
SUPAI |
| TAPTS |
TAPEATS |
| THFRK |
THREE FORKS |
| THRFL |
THRUST FAULT |
| THRFN |
THREE FINGER |
| THUNS |
THUNDER SPRINGS |
| THYNS |
THAYNES |
| TIMPO |
TIMPOWEAP |
| TINTC |
TINTIC |
| TNLP |
TENSLEEP |
| TNUNK |
TUNUNK |
| TORWP |
TOROWEAP |
| TRONA |
TRONA |
| TROS |
TROPIC SHALE |
| TU-DK |
TUNUNK-DAKOTA |
| TWCNG |
TWIN CREEK-NUGGET |
| TWCRI |
TWIN CREEK-RICH |
| TWNCR |
TWIN CREEK |
| UNTA |
UINTA |
| UTEBT |
UTELAND BUTTE |
| WAHW |
WAHWEEP |
| WANKH |
WANAKAH |
| WEBR |
WEBER |
| WELLS |
WELLS |
| WHITW |
WHITMORE WASH |
| WHRM |
WHITE RIM |
| WINGT |
WINGATE |
| WLDCT |
WILDCAT |
| WLFCP |
WOLFCAMP |
| WLOCK |
WILLOW CREEK |
| WLTCN |
WALTON CANYON |
| WMMDK |
WASATCH-MESA VERDE-MANCOS |
| WMMFD |
WSTC-MVRD-MNCS-FRTR-DKTA |
| WNHMV |
WSTC-NHORN-MVRD |
| WNSHP |
WANSHIP |
| WODS |
WOODSIDE SHALE |
| WSHNH |
WASATCH-NORTH HORN |
| WSMVD |
WASATCH-MESA VERDE |
| WSMVM |
WASATCH-MESA VERDE-MANCOS |
| WSTC |
WASATCH |
| WTCYN |
WATTON CANYON |
| WTRCY |
WATER CANYON |