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Letters
Edited by Gay Flood
September 04, 1989
THE NRA'S FOSS Gary Smith's article on National Rifle Association president Joe Foss (Top Gun, Aug. 7) reminded me that there are two kinds of men: those who talk, dream and write about things, and those who do them. Thanks for a wonderful piece about a gifted doer. I am sending in my application for membership in the NRA today.PHIL MAYERCrosby, Minn.
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September 04, 1989

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SPEARFISH WEATHER
Jack McCallum didn't mention the most unusual and, I think, the most interesting fact about Spearfish, S.Dak., in his account of An American Summer (A Vacation from a Vacation, July 31). Spearfish experienced the steepest rise of temperature in the shortest period of time ever recorded. On Jan. 22, 1943, at 7:30 a.m. the temperature was—4� F. By 7:32 a.m. it had risen to 45�. At 8:45 a.m. the temperature was 55�, and within 42 minutes it had dropped again to -4�. According to a weather observer on that day, Roland R. Hamann of the U.S. Weather Bureau in Rapid City, the wildly fluctuating temperature was the result of an "air-mass discontinuity," or a strong change in wind direction. That day's weather graph (left) is on display at the Montana-Dakota Utilities Co., a few blocks from the Spearfish fish hatchery.
R.L. TUNSTALL Trumbull, Conn.

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