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Orange Well Net Observation Well Network Bedrock Well Details <br />Bedrock Wells <br /> <br /> Existing Bedrock Wells: Owner Depth, <br />ft. Casing <br />de th ft. Bedrock Geology Generalized <br />Rock Unit <br /> <br />1 Former 911 Center' OC unk. unk. Altered tuff 1 <br />2 Millhouse Rd ERCD site OC 166 67? Epiclastics 2 <br />3 Eno Confluence Property Eno Riv Assoc. z unk. unk. Felsic tuff 3 <br />4 Rocky Ridge ERCD site OC 580 67 Felsic lavas and tuffs (Dacite) s 4 <br />5 Blackwood Farm ERCD site OC 302 100 Felsic lavas and tuffs (Dacite) 4 <br />6 Duke Forest Hydrogeologic St. DWQ 400 (4D) 85 Felsic plutonics (Granite) g <br />7 Former UNC -Geophysical Lab UNC 2 unk. unk. Felsic plutonics- E. Farrington Granite a 6 <br />8 Duke Forest Hydrogeologic St. DWQ 281 (1 D) 62 Intermediate plutonics (Diorite) 7 <br />9 Duke Forest Well (Eubanks Rd.) Duke z unk. unk. Mafic plutonics (Gabbro) g <br /> <br /> Needed Bedrock Wells: Owner Depth, <br />ft. Casing <br />de th ft. Lithology Generalized <br />Rock Unit <br /> <br />10 7 Mile Creek Preserve OC Mafic lavas and tuffs (Andesite to basalt) 5 <br />1 -Property slated for divestiture. <br />2 -Approval of draft MOA has been received from property owner. <br />3 -Main bedrock geology in the county, by area. <br />4 -Younger pluton, which may yield higher radon concentrations. <br />m <br />