GWSI Appendix 1
Aquifer Codes
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GWSI Appendix 1
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Virginia Aquifer Codes (Sorted by Aquifer Code) |
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Wells located in the Virginia Coastal Plain use the following aquifer codes for the respective RASA model layers. |
Aquifer Code |
RASA |
RASA |
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110QRNR |
10 |
COLUMBIA AQUIFER |
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121CSPKU |
9 |
YORKTOWN-EASTOVER AQUIFER |
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121CSPKL |
8 |
ST. MARYS-CHOPTANK AQUIFER |
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124EOCN |
7 |
CHICKAHOMINY-PINEY POINT AQUIFER |
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125PLCN |
6 |
AQUIA AQUIFER |
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125BRGS |
B5 |
BRIGHTSEAT AQUIFER |
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211CRCSU |
3 |
UPPER POTOMAC AQUIFER |
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217PPSC |
2 |
MIDDLE POTOMAC AQUIFER |
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217PTXN |
1 |
LOWER POTOMAC AQUIFER |
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Aquifer Code |
Geologic Formation |
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300AGBK |
ALLIGATOR BACK FORMATION, FINELY LAMINATED GNEISS(MAIN PART) |
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300AGBKS |
ALLIGATOR BACK FORMATION, MICA SCHIST |
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300AGRKA |
ALLIGATOR BACK FORMATION,AMPHIBOLITE AND GREENSTONE |
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400ALUM |
ALUM PHILLITE |
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000AARF |
AMPHIBOLITE AND AMPHIBOLITE RICH FOLIATS |
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125AQUI |
AQUIA FORMATION |
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300ARCH |
ARCH MARBLE |
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361ARVN |
ARVONIA FORMATION |
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400ASHEA |
ASHE FORMATION, AMPHIBOLITE |
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400ASHE |
ASHE FORMATION, THINLY LAYERED GNEISS(MAIN PART) |
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112BCCL |
BACONS CASTLE FORMATION |
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231BLBF |
BALLS BLUFF FORMATION |
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400BVCK |
BEAVERDAM CREEK AUGEN GNEISS |
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347BCRF |
BECRAFT LIMESTONE |
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367BKCP |
BEEKMANTOWN AND CHEPULTEPEC FORMATIONS |
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367BKMN |
BEEKMANTOWN GROUP |
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367BLFN |
BELLEFONTE FORMATION |
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364BNHR |
BEN HUR LIMESTONE |
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364BNBL |
BENBOLT LIMESTONE |
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300BGVL |
BIG VALLEY FORMATION |
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364BCKF |
BLACKFORD FORMATION |
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352BMBG |
BLOOMSBURG FORMATION |
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331BLFD |
BLUEFIELD FORMATION |
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331BFGB |
BLUEFIELD FORMATION AND GREENBRIER LIMESTONE |
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331BLPR |
BLUESTONE AND PRINSTON FORMATIONS |
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331BLSN |
BLUESTONE FORMATION |
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364BOWN |
BOWEN LIMESTONE |
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341BRLR |
BRALLIER FORMATION |
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125BRGS |
BRIGHTSEAT FORMATION |
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231BLRN |
BULL RUN FORMATION |
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122CLVR |
CALVERT FORMATION |
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370CMBR |
CAMBRIAN SYSTEM |
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374CMBRM |
CAMBRIAN, MIDDLE |
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371CMBRU |
CAMBRIAN, UPPER |
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300CDLR |
CANDLER FORMATION |
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400CRVL |
CARSONVILLE GRANITE |
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400CTCN |
CATOCTIN FORMATION |
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400CTRN |
CATTRON GNEISS |
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352CYUG |
CAYUGA GROUP |
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230CDRF |
CEDAR FOREST FORMATION |
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100CNZC |
CENOZOIC ERATHEM |
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400CLVL |
CHARLOTTESVILLE FORMATION |
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341CMNG |
CHEMUNG FORMATION |
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367CPPC |
CHEPULTEPEC DOLOMITE |
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122CSPK |
CHESAPEAKE GROUP |
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124CCKM |
CHICKAHOMINY FORMATION |
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377CHLH |
CHILHOWEE GROUP |
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300CPMC |
CHOPAWAMSIC FORMATION |
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122CPNK |
CHOPTANK FORMATION |
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354CLNC |
CLINCH SANDSTONE |
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354CLTC |
CLINTON AND TUSCARORA FORMATIONS |
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354CLNN |
CLINTON FORMATION |
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370CNSG |
COANSAUGA GROUP |
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300CCKV |
COCKEYSVILLE MARBLE |
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347CMNS |
COEYMANS LIMESTONE |
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364CLRS |
COLLIERSTOWN LIMESTONE |
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000CLMB |
COLUMBIA GRANITE |
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112CLMB |
COLUMBIA GROUP |
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400CMRS |
COMERS GRANITE GNEISS |
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371CNSG |
CONASAUGA GROUP |
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371CCCG |
CONOCOCHEAGUE FORMATION |
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371CPRG |
COPPER RIDGE DOLOMITE |
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330CVCK |
COVE CREEK LIMESTONE |
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210CRCS |
CRETACEOUS SYSTEM |
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340DVNN |
DEVONIAN SYSTEM |
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347DVNNL |
DEVONIAN, LOWER |
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344DVNNM |
DEVONIAN, MIDDLE |
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341DVNNU |
DEVONIAN, UPPER |
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347DVSL |
DEVONIAN-SILURIAN SYSTEMS |
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111DMMP |
DISMAL SWAMP PEAT |
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364DOT |
DOT LIMESTONE |
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230DRFK |
DRY FORK FORMATION |
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364EDBG |
EDINBURG FORMATION |
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364EFFN |
EFFNA LIMESTONE |
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364EGLS |
EGGLESTON FORMATION |
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371ELBK |
ELBROOK FORMATION |
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364ELWY |
ELWAY LIMESTONE |
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124EOCN |
EOCENE SERIES |
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124ECPC |
EOCENE-PALEOCENE SERIES |
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377ERWN |
ERWIN FORMATION |
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000EVRN |
EVERONA LIMESTONE |
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300EVNG |
EVINGTON GROUP |
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331FIDO |
FIDO SANDSTONE |
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364FVOK |
FIVE OAK LIMESTONE |
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377FDCK |
FREDERICK LIMESTONE |
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341GENS |
GENESEE FORMATION |
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324GLDV |
GLADEVILLE SANDSTONE |
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324GDVN |
GLADEVILLE SANDSTONE AND NORTON FORMATION |
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330GRGR |
GRAINGER FORMATION |
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000GRNT |
GRANITE |
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000GHBG |
GRANITE AND HORNBLEND GNEISS |
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000GRGS |
GRANITE GNEISS |
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400GRGS |
GRANITE GNEISS |
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364GRTN |
GRATTON LIMESTONE |
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400GRSN |
GRAYSON GRANODIORITE GNEISS |
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112GBDG |
GREAT BRIDGE FORMATION |
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331GRBR |
GREENBRIER LIMESTONE |
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000GVCC |
GREENSTONE VOLCANICS |
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344HMLN |
HAMILTON FORMATION |
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341HMPR |
HAMPSHIRE FORMATION |
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377HMPN |
HAMPTON SHALE OR FORMATION |
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352HCCK |
HANCOCK DOLOMITE |
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364HDCK |
HARDY CREEK LIMESTONE |
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324HRLN |
HARLAN GROUP |
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347HDBG |
HELDERBERG GROUP |
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331HNTN |
HINTON FORMATION |
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111HLCN |
HOLOCENE SERIES |
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374HNKR |
HONAKER DOLOMITE |
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000HGGT |
HORNBLEND GABBRO AND GNEISS TALC |
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340HRVL |
HUNTERVILLE CHERT |
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364HCBG |
HURRICANE BRIDGE LIMESTONE |
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230IGNS |
IGNEOUS ROCKS |
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000IRSV |
INTRUSIVE ROCKS |
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300JSHU |
JOSHUA SCHIST |
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361JUNT |
JUNIATA FORMATION |
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220JRSC |
JURASSIC SYSTEM |
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112KPVL |
KEMPSVILLE FORMATION |
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347KYSR |
KEYSER LIMESTONE |
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367KNOX |
KNOX DOLOMITE |
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230LKVL |
LEAKSVILLE FORMATION |
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400LTRD |
LEATHERWOOD GRANITE |
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327LEE |
LEE FORMATION |
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347LKCK |
LICKING CREEK LIMESTONE |
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000LMMB |
LIMESTONE AND MARBLE |
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364LCLR |
LINCOLNSHIRE FORMATION |
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400LLRV |
LITTLE RIVER GNEISS OF DIETRICH, OF ELK PARK PLUTONIC GROUP |
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331LLVL |
LITTLE VALLEY LIMESTONE |
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112LDBG |
LONDONBRIDGE FORMATION |
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377LUDN |
LOUDOUN FORMATION |
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400LVGS |
LOVINGSTON FORMATION |
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377CMBRL |
LOWER CAMBRIAN SERIES |
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122CSPKL |
LOWER CHESAPEAKE GROUP |
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217CRCSL |
LOWER CRETACEOUS SERIES |
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327PSLVL |
LOWER PENNSYLVANIAN SERIES |
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364LRCH |
LURICH FORMATION |
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400LCBG |
LYNCHBURG FORMATION |
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330MCCP |
MACCRADY AND PRICE FORMATION |
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330MCCD |
MACCRADY SHALE |
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231MNSS |
MANASSAS FORMATION |
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344MRCL |
MARCELLUS SHALE |
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124MRLB |
MARLBORO CLAY |
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400MRHL |
MARSHALL FORMATION |
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364MRCK |
MARTIN CREEK LIMESTONE |
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361MRBG |
MARTINSBURG SHALE |
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374MRVL |
MARYVILLE LIMESTONE |
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367MKLV |
MASCOT,KINGSPORT AND LONGVIEW FORMATIONS |
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354MSNN |
MASSANUTTEN SANDSTONE |
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125MTPN |
MATTAPONI FORMATION |
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371MDVL |
MAYNARDVILLE FORMATION |
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364MCGL |
MC GLONE FORMATION |
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354MCKZ |
MC KENZIE FORMATION |
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400MMRV |
MECHUMS RIVER FORMATION |
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400MLRS |
MELROSE GRANITE |
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200MSZC |
MESOZOIC ERATHEM |
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000MMPS |
METAMORPHOSED SEDIMENTARY ROCKS |
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000MPVS |
METAMORPHOSED VOLCANIC AND SEDIMENTARY ROCKS |
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324PSLVM |
MIDDLE PENNSYLVANIAN SERIES |
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344DVNML |
MIDDLE-LOWER DEVONIAN SERIES |
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341MLBR |
MILLBORO SHALE |
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122MOCN |
MIOCENE SERIES |
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330MSSP |
MISSISSIPPIAN SYSTEM |
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337MSSPL |
MISSISSIPPIAN, LOWER |
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331MSSPU |
MISSISSIPPIAN, UPPER |
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337MPDV |
MISSISSIPPIAN-DEVONIAN SYSTEM |
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364MCSN |
MOCCASIN FORMATION |
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400MONT |
MONETA GNEISS |
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112MORG |
MOORINGS UNIT |
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300MNAS |
MOUNT ATHOS FORMATION |
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400MRGR |
MOUNT ROGERS VOLCANIC GROUP |
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124NNJM |
NANJEMOY FORMATION |
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344NDMR |
NEEDMORE SHALE |
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364NMRK |
NEW MARKET LIMESTONE |
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347NSCD |
NEW SCOTLAND LIMESTONE |
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231NWRK |
NEWARK GROUP |
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330NWMN |
NEWMAN LIMESTONE |
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367NTTN |
NITTANY FORMATION |
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371NCCK |
NOLICHUCKY SHALE |
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112NFLK |
NORFOLK FORMATION |
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324NRTN |
NORTON FORMATION |
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400ODRG |
OLD RAG FORMATION |
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123OLGC |
OLIGOCENE SERIES |
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371CCCGC |
ONOCOCHEAGUE GROUP |
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344ONDG |
ONONDAGA LIMESTONE |
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364ORND |
ORANDA FORMATION |
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360ODVC |
ORDOVICIAN SYSTEM |
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367ODVCL |
ORDOVICIAN, LOWER |
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364ODVCM |
ORDOVICIAN, MIDDLE |
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361ODVCU |
ORDOVICIAN, UPPER |
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367OVCB |
ORDOVICIAN-CAMBRIAN SYSTEMS |
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361OSWG |
OSWEGO SANDSTONE |
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231ORDL |
OTTERDALE SANDSTONE |
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125PLCN |
PALEOCENE SERIES |
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300PLZC |
PALEOZOIC ERATHEM |
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300PZPB |
PALEOZOIC-PRECAMBRIAN ERATHEMS |
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124PMNK |
PAMUNKEY GROUP |
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217PPSC |
PATAPSCO FORMATION |
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217PTXN |
PATUXENT FORMATION |
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400PDLR |
PEDLAR FORMATION |
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211PEED |
PEEDEE FORMATION |
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300PLIR |
PELIER SCHIST |
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331PNNG |
PENNINGTON GROUP |
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320PSLV |
PENNSYLVANIAN SYSTEM |
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310PRMN |
PERMIAN SYSTEM |
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324PRBG |
PETERSBURG FORMATION |
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300PRBG |
PETERSBURG GRANITE |
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112PLSC |
PLEISTOCENE SERIES |
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121PLCN |
PLIOCENE SERIES |
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121PCMC |
PLIOCENE-MIOCENE SERIES |
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337POCN |
POCONO FORMATION |
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364POTT |
POTEET FORMATION |
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217PTMC |
POTOMAC GROUP |
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400PCMB |
PRECAMBRIAN ERATHEM |
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330PRIC |
PRICE FORMATION |
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331PRNS |
PRINSTON FORMATION |
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374PPKV |
PUMPKIN VALLEY SHALE |
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361QNTC |
QUANTICO SLATE |
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000QRZD |
QUARTZ DIORITE |
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110QRNR |
QUATERNARY SYSTEM |
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400RDOK |
REDOAK GRANITE |
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347RDGL |
RIDGLEY SANDSTONE |
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364RBCP |
ROB CAMP LIMESTONE |
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400RBRV |
ROBERTSON RIVER FORMATION |
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364RCKD |
ROCKDELL LIMESTONE |
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400RCKF |
ROCKFISH CONGLOMERATE |
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374RGVL |
ROGERSVILLE SHALE |
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377ROME |
ROME FORMATION |
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400RSLD |
ROSELAND ANORTHOSITE |
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374RLDG |
RUTLEDGE LIMESTONE |
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364RYCV |
RYE COVE FORMATION |
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400SDDL |
SADDLE GNEISS |
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000SAND |
SAND (UNKNOWN AGE) |
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112SDBG |
SANDBRIDGE FORMATION |
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111SDMN |
SEDIMENTS,UNDIFFERENTIATED |
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112SDLY |
SEDLEY FORMATION |
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361SQTC |
SEQUATCHIE FORMATION |
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377SHDY |
SHADY FORMATION |
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400SLTN |
SHELTON GRANITE GNEISS |
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400SHOL |
SHOAL GNEISS |
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350SLRN |
SILURIAN SYSTEM |
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357SLRNL |
SILURIAN, LOWER |
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354SLRNM |
SILURIAN, MIDDLE |
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351SLRNU |
SILURIAN, UPPER |
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350SOVC |
SILURIAN-ORDOVICIAN SYSTEMS |
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300SPCK |
SLIPPERY CREEK GREENSTONE |
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122SMRS |
ST MARYS FORMATION |
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300SNGP |
STONEY GAP SANDSTONE MEMBER OF HINTON FORMATION |
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400SPRK |
STRIPED ROCK GRANITE |
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400SFRN |
SWIFT RUN FORMATION |
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120TRTR |
TERTIARY SYSTEM |
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351TNLY |
TONOLOWAY LIMESTONE |
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364TRNN |
TRENTON LIMESTONE |
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230TRSC |
TRIASSIC SYSTEM |
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357TCRR |
TUSCARORA SANDSTONE |
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300UFRK |
ULTRAMAFIC ROCK, CLORITE-TREMOLITE, MAGNETITE SCHIST |
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377UNCO |
UNICOI FORMATION |
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371CBBRU |
UPPER CAMBRIAN SERIES |
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121CSPKU |
UPPER CHESAPEAKE GROUP |
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211CRAQU |
UPPER CRETACEOUS AQUIFER SYSTEM |
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211CRCSU |
UPPER CRETACEOUS SERIES |
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231TRSCU |
UPPER TRIASSIC SERIES |
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361ODVUM |
UPPER-MIDDLE ORDOVICIAN SERIES |
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231VINT |
VINTA FORMATION |
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400VRGL |
VIRGILINA GROUP |
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400VGBG |
VIRGINIA BLUERIDGE COMPLEX |
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364WRDL |
WARDELL LIMESTONE |
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377WVRN |
WEVERTON FORMATION |
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364WLCK |
WHISTLECREEK LIMESTONE |
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400WLLS |
WILLIS PHYLLITE |
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351WLCK |
WILLS CREEK FORMATION |
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112WDSR |
WINDSOR FORMATION |
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324WISE |
WISE FORMATION |
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300WSCK |
WISSAHICKON SCHIST |
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364WTTN |
WITTEN LIMESTONE |
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364WDWY |
WOODWAY LIMESTONE |
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122YRKN |
YORKTOWN FORMATION |
Compiled
by D.L. Nelms (10-31-86)
Revised
by D.L. Nelms (03-30-00)