As part of the research for the book , Mr. Friede submitted 200 objects to the University of Arizona in Tucson for carbon-14 dating .
Tucson /location/location/contains University of Arizona
IN NN IN DT NN IN DT NN , NNP NNP VBD CD NNS TO DT NNP IN NNP IN NNP IN NN VBG .
Tucson
LOCATION
University of Arizona
ORGANIZATION
/location/location/contains