Drilling for clues to our ancestors' extinction By Drew Mccullough Arizona Daily Star Nov 9, 2013 Recommended More LATEST LOCAL OFFERS Tucson Surveying & Mapping LLC Building a new facility? Contact Tucson Surveying & Mapping to learn more about Topographic Surveying American Conditioned Air Is your Heating or Cooling System not performing up to par? Free Estimates* on Complete Systems! KU Studios Home of Kids Unlimited There's Always Something Happening @ KU Studios. Now Accepting New Students. Click Here for More Information.