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Orange Well Net Observation Well Network Bedrock Well Details I <br />Bedrock Wells <br />Bedrock Well Location: <br />Casing <br />Depth, ft. <br />Total <br />Depth, ft. <br />Cable <br />Length, ft. <br />, <br />Lat. <br />Long. 4 <br />Elevation, <br />ft 4 <br />Bedrock Geology <br />Generalized <br />Rock Unit <br />1 <br />Millhouse Rd <br />67 <br />166 <br />50 <br />35.977137 <br />- 79.077313 <br />796 <br />Epiclastics <br />2 <br />2 <br />Eno Confluence Property <br />37 <br />—192' <br />50 <br />36.136908 <br />- 79.160028 <br />886 <br />Felsic tuff <br />3 <br />3 <br />Rocky Ridge <br />67 <br />560 <br />40 <br />35.980190 <br />- 79.137413 <br />969 <br />Felsic lavas and tuffs <br />Dacite z <br />4 <br />4 <br />Blackwood Farm <br />100 <br />302 <br />45 <br />36.018709 <br />- 79.080016 <br />962 <br />Felsic lavas and tuffs <br />(Dacite) <br />4 <br />5 <br />UNC Well <br />21 <br />—237' <br />110 <br />35.890355 <br />- 79.092693 <br />985 <br />Felsic lutonics- E. <br />Farrin on Granite a <br />6 <br />6 <br />Duke Well (Eubanks Rd.) <br />33 1 <br />—1411 1 <br />40 1 <br />35.967693 <br />- 79.095421 <br />958 <br />Mafic plutonics (Gabbro) <br />8 <br />1 - Longer tape needed to gauge the depth of these wells. <br />2 - Main bedrock lithology in the county, by area. <br />3 - Younger pluton, which may yield higher radon concentrations. <br />4 - Data from ESRI ArcGIS. <br />Data Collection began on March 27, 2010. <br />Source: Tom Davis, Orange County DEAPR <br />