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8 Pages in
Charles Darwin's Library
associated with "strata/epochs - triassic"
Lake Superior: its character, vegetation, and animals, compared with those of other similar regions
By: Agassiz, Louis,
Publication info: Boston, Gould, Kendall & Lincoln, 1850
Pages:
Page 197
A manual of elementary geology
By: Lyell, Charles, Sir,
Publication info: [s.n.], [s.n.], 1855
Pages:
Page 319
Page 342
Page 351
Page 360
Page 407
Principles of comparative physiology
By: Carpenter, William Benjamin,
Publication info: London, John Churchill, 1854
Pages:
Page 115
Page 116