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Thunderstorms, 1896



Title: Thunderstorms
Projection: Unknown,
Source Bounding Coordinates:
W: E: N: S:

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Description: Months of maximum frequency, and average annual number, of thunderstorms.
Source: Frank Waldo, Elementary Meteorology (New York, New York: American Book Company, 1896) 363
Map Credit: The Private Collection of Roy Winkelman
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 Maps ETC > United States > Meteorology > Thunderstorms, 1896
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