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Book dossier
by Edwin Harris Colbert, R. Roy Johnson
Presents scholarly papers on the history of Arizona's famous Petrified Forest.
Fossil forests of the Yellowstone National Park
Frank Hall Knowlton
Tertiary fossil forests of the geodetic hills, Axel Heiberg Island, Arctic Archipelago
Robert Loring Christie
Report on the petrified forests of Arizona
Lester F Ward
The two oldest trees : one dead, one living
Rufus Janvier Briscoe
Petrified Forest National Park
David Petersen
Let's Discover Petrified Forest National Park
Lynnell Diamond
Petrified Forest, National Park, Arizona
Petrified Forest National Park
George M. Lubick
The Fossil Grove
Alastair Gunning