Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska, October 1987
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Geology topics
John B. Townshend
Publications and source records attributed to John B. Townshend.
Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska, November 1987
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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska, December 1987
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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: January 1986
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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: February 1986
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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: March 1986
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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: April 1986
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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: May 1986
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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: June 1986
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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: July 1986
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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: August 1986
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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: September 1986
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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: October 1986
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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: November 1986
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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: December 1986
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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska, January 1985
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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska, February 1985
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Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska, March 1985
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