Some Road conversation references

http://www.google.com/imgres?imgurl=http://www.uvm.edu/~inquiryb/webquest/fa05/lkenney/earth.jpg&imgrefurl=http://www.uvm.edu/~inquiryb/webquest/fa05/lkenney/&h=306&w=437&sz=42&tbnid=MLS29b7z2lzj7M:&tbnh=90&tbnw=129&zoom=1&usg=__jJqlXjK8xrtdl45MIqf0bF-f4ZA=&docid=PwEJRj33xf7PTM&hl=en&sa=X&ei=MUKsUO_lFObW0gHqwoHYDQ&sqi=2&ved=0CDQQ9QEwAg&dur=1934
Earth's layers

http://www.covington.va.us/engineer.shtml
covington waste water treatment plant on the Jackson River

http://en.wikipedia.org/wiki/Hot_spring

http://www.dmme.virginia.gov/DMR3/volcanoes.shtml

http://en.wikipedia.org/wiki/Mole_Hill_(Virginia)

  Link to educational material for Virginia Geology  http://www.dmme.virginia.gov/DMR3/onlinedata.shtml#educational