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Fossil Wood and Lignite of the Potomac Formation
A report about flood theories, fossil wood, ignite of the potomac formation.
Date:
1889
Creator:
Knowlton, Frank Hall
System:
The UNT Digital Library
On the Thermo-Electric Measurement of High Temperatures
From preface: The present publication is the first contribution to a research on the physical constants of rocks; the experiments of which are to follow a general plan devised by Mr. Clarence King, former Director of the U. S. Geological Survey.
Date:
1889
Creator:
Barus, Carl
System:
The UNT Digital Library