Pennsylvania glaciation, first phase; materials for a discussion of the attenuated border of the moraine described in volume Z o

Pennsylvania glaciation, first phase; materials for a discussion of the attenuated border of the moraine described in volume Z o is available to read online for free. This page gives direct access to the full text through the embedded reader above, making it easier to preview, study, or read the work without extra steps.

This edition is associated with Williams, Edward Higginson, 1849-1933 and a publication year of 1849.

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