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Circular 6 — Carbon Dioxide in New Mexico

By Edgar H. Wells and A. Andreas, 1938, 8 pp.

Superceded by Circular-9 with the same title.

This publication is out-of-print.
Available as a free download.

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File Name Size Last Modified
Circular-6.pdf 180 KB 10/06/2016 01:27:28 PM