Historical Geology Understanding Our Planet\'s Past

VII

T

he author thanks the Chicago Field Museum of Natural History, the
National Aeronautics and Space Administration (NASA), the National
Museums of Canada, the National Optical Astronomy Observatories
(NOAO), the National Park Service, the U.S. Geological Survey (USGS), and
the U.S. Navy for providing photographs for this book.
The author also thanks Frank K.Darmstadt,Senior Editor, and Cynthia
Yazbek, Associate Editor, for their invaluable contributions to the develop-
ment of this book.

ACKNOWLEDGMENTS