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Contributed by American Museum of Natural History Library.
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Transcription
Thickness of the Harbor
Ice at Etah winter of 1916-17
October 15, 9 inches
22 13 "
29 17 1/2 "
November 5 20 "
12 21 1/2 "
19 22 1/2 "
26 25 1/2 "
December 3 29 1/2 "
10 32 "
17 35 1/2 "
24 38 "
31 40 1/2 "
January 7 45 "
14 48 "
21 50 "
28 52 "
February 4 52 0
11 54 1/2 "
18 56 1/2 "
25 58 "
march 4 60 1/2 "
11 61 "
18 64 "
25 65 "
April 1 66 1/2 r
8 69 1/2 r
15 71 "
22 72 "
29 72 "
Thickness of Harbor Ice
continued
May 6 72 inches
13 72 "
20 72 "
27 72 "
June 3 71 1/2 , "
10 70 "
17 65 "
24 58 1/2 "
July 1 52 1/2 "
8 49 "
the decrease in thickness
is due to the melting
of the surface ice
within a month of its
formation time has
melted from the lower
part of the Ice.
So far as the careful
part of the Harbor generally
is concerned the Ice went out
The 20 of June.