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The San Luis Valley, Colorado

C. E. Siebenthal
New Series, Vol. 31, No. 802 (May 13, 1910), pp. 744-746
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Notes and References

This item contains 2 references.

  • 2
    cc Conduction of Electricity through Gases," 2d ed., p. 443.
  • 2
    Jour. Geol., Vol. XV., 1907, p. 15.