The Meeting-Place of Geology and History

elongs. It is the result of personal observation, and the work o

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y and

AM DAWSON, L

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AN," "MODERN IDE

LIFE IN GEOLOG

H. REVEL

Chicago

us Tract So

ight,

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s bearing on the character of the debatable ground intervening between the later

reatment have been rapidly accumulating, and it is hoped that it may prov

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