LancasterLancaster CountyCounty GeologyGeology
gfgh µ OverOver TopographicTopographic ReliefRelief Om Miles Í897 0 10
hg Lebanon County Adamstown ¦¨§76 ! B e r k s C o u n ty Oha ! Oo Denver ab322
Ephrata Csc Í501 ! Í72 TRh
272 TRn Oco Lititz Í ! Akron Elizabethtown Manheim ! Dauphin County! ! TRhc Cr TRs c Os Rn ! T Terre Hill TRg Trd 322 772 ab 10 Í 222 625 Í ab Í897 Í Í283 Ohm Í230 Oan Í241 East New Holland Oe 722 Petersburg Í Cbs ! Mount Joy ! ! Czc Cch Í23 Cm gga fl R 743 T Í Csb gg pg ggd Í441 Ck Cl 772 72 Í 23 Í ! Í Ca
Marietta Ch Lancaster Mountville ! 340 ! Í Columbia 30 ! ! ba Í462 Í462 ab30
Í999 Millersville Ccc Strasburg ! ! Cv Í741 Í741
Í272 41 Í County Chester 896 222 Í gn Christiana ba mg ! oct Cah Í372 S u sq u e h a n n a R iv e r
Y o rk C o u n ty gqm LEGEND
COUNTY BOUNDARIES Í324 Source: Lancaster County GIS, Copyright (c) 2019 MAJOR ROADS This map to be used for reference or illustrative purposes only. This map FAULT is not a legally recorded plan, survey, or engineering schematic Quarryville and it is not intended to be used as such. For complete disclaimer see: RIVERS AND STREAMS ! http://www.co.lancaster.pa.us/gisdisclaimer DIKE wc
ORDOVICIAN Í472 Oan, ANNVILLE FORMATION LIMESTONE TRIASSIC 372 Oco, COCALICO FORMATION DARK GRAY SHALE TRfl, LIMESTONE FANGLOMERATE Í TRg, GETTYSBURG FORMATION SHALE-SANDSTONE Oe, EPLER FORMATION LIMESTONE TRh, HAMMER CREEK FORMATION SANDSTONE-SHALE Oha, ANNVILLE, HERSHEY, AND MYERSTOWN FORMATION TRhc, HAMMER CREEK QUARTZ-CONGLOMERATE Ohm, HERSHEY AND MYERSTOWN FORMATION LIMESTONE 272 TRn, NEW OXFORD FORMATION SANDSTONE Í Om, MARTINSBURG FORMATION SHALE pb TRnc, NEW OXFORD QUARTZ-CONGLOMERATE Oo, ONTELAUNEE FORMATION DOLOMITE TRs, STOCKTON FORMATION SANDSTONE Os, STONEHENGE FORMATION LIMESTONE Trd, DIABASE CAMBRIAN PROBABLY LOWER PALEOZOIC pc Ca, ANTIETAM FORMATION QUARTZITE, QUARTZ-SHIST pg, PEGMATITE Cah, ANTIETAM AND HARPERS FORMATION QUARTZITE mg, METAGABBRO Cbs, BUFFALO SPRINGS FORMATION LIMESTONE-DOLOMITE s, SERPENTINITE 222 pb, PEACH BOTTOM SLATE AND CARDIFF CONGLOMERATE ab Ccc, CONESTOGA FORMATION LIMESTONE pc, PETERS CREEK SCHIST Cch, CHICKIES FORMATION QUARTZITE, QUARTZ-SCHIST This digital geology coverage was digitized by the Lancaster County Planning Commission oct, OCTORARO PHYLLITE Ch, HARPERS FORMATION QUARTZ-SCHIST from the "Preliminary Geologic Quadrangle Maps of PA", which were compiled in 1981 by wc, WISSAHICKON FORMATION SCHIST Ck, KINZERS FORMATION SHALE s the Pennsylvania Geological Survey. The Geology coverage at a larger scale of 1:24,000. PRECAMBRIAN Use of the Geology coverage at a larger scale than stated above may lead to some false Cl, LEDGER FORMATION DOLOMITE gqm, QUARTZ MONZONITE AND QUARTZ MONZONITE GNEISS conclusions regarding the locational accuracy of the coverage. This coverage and any Cm, RICHLAND FORMATION DOLOMITE ggd, GRANODIORITE AND GRANODIORITE GNEISS interpretations derived from it are intended for planning purposes only, and do not eliminate Cr, MILLBACH FORMATION LIMESTONE gfgh, FELSIC GNEISS, HORNEBLENDE-BEARING PENNSYLVANIA the need for site-specific field surveys, testing, and sampling. It is the responsibility of the Csb, SNITZ CREEK AND BUFFALO SPRINGS FORMATION gg, GRAPHITIC GNEISS user of this coverage to confirm the accuracy of the geologic formations depicted by this Csc, SNITZ CREEK FORMATION DOLOMITE gga, GABBROIC GNEISS AND GABBRO MARYLAND coverage. Surface relief was generated from Lancaster County's DEM points coverage at a Cv, VINTAGE FORMATION DOLOMITE hg, HORNEBLENDE GNEISS resolution of 100 feet with a vertical exaggeration three times actual elevation values. Czc, ZOOKS CORNER FORMATION DOLOMITE gn, GARANITIC GNEISS