Orange County NC Website
7 <br /> The reservoir pipeline conceptual model <br /> of the Piedmont groundwater system <br /> (modified from Heath,1984) <br /> WEU.--- Water labia <br /> PtiREGOI.tTHRE5ERUOIR <br /> 7APA <br /> p„/,,Q! STORAGE <br /> BEDROCK IN — <br /> AI FRACTURES BEDROCK <br /> //k <br /> V. Orange County Geology, <br /> cont. <br /> • NCGS geologic mapping of Orange County <br /> ongoing. Four main quadrangles complete: <br /> • White Cross, Hillsborough, Efland and <br /> Chapel Hill quadrangles. <br /> • Nine main bedrock lithologies are present <br /> in the recently mapped area of Orange <br /> County. <br /> 5 <br />