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Figure 2. <br />GENERALIZED GEOLOGIC MAP OF LOUDOUN COUNTY <br />Source: USGS, VDMR and VSWCB — NRO <br />EXPLANATION <br />o TRh BASALTIC — FLOW BEARING CLASTICS MEMBER <br />z2 <br />J TRic LEESBURG LIMESTONE CONGLOMERATE MEMBER <br />JCL <br />m0 TRhf MIXED CLASTICS <br />TRhh BALLS BLUFF SILTSTONE <br />y o� TRms MANASSAS SANDSTONE, SANDSTONE MEMBER <br />z N <br />a� TRmr RESTON MEMBER, MANASSAS SANDSTONE <br />£f? ORDOVICIAN — CAMBRIAN FREDERICK ( ?) LIMESTONE <br />£er ERWIN (ANTIETAM) FORMATION — NOT SHOWN <br />£ h HAMPTON (HARPERS) FORMATION <br />£ w WEVERTON FORMATION <br />�_£ I LOUDOUN FORMATION ( ?) <br />�£ p£ c CATOCTIN FORMATION <br />£ p im EVERONA FORMATION ( ?) <br />£ p£ s SWIFT RUN FORMATION <br />PAC g GRANULITE GNEISS (UNDEFINED) <br />p£ m MARSHALL FORMATION — FELSIC GNEISS <br />L______ <br />FAULT TRACE <br />U [r DASHED WHERE APPROXIMATE, <br />DOTTED WHERE COVERED OR <br />INFERRED. U, UPTHROWN <br />I BLOCK; D, DOWNTHROWN <br />! BLOCK. <br />1 CONTACT LINE <br />BETWEEN ROCK UNITS. <br />SOLID WHERE KNOWN, <br />J DOTTED WHERE COVERED OR <br />UNPROVEN. <br />Hottel Site <br />SCALE <br />0 5 10 <br />MILES <br />F KILOMETERS <br />O 5 10 <br />