by Robert Loring Christie , N. J. McMillan
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Cambrian-Silurian stratigraphy of Børglu...
Andesites and their relation to plutonic...
Sedimentary phosphate deposits, an inter...
Geology of the plutonic rocks of the Coa...
The Geology of Melville Island, Arctic C...
Bache Peninsula, Ellesmere Island, Arcti...
Drama for Students
Historic furnishings report
Fossil forests of the Yellowstone Nation...
The two oldest trees : one dead, one liv...
The Petrified Forest through the ages
Agatized rainbows