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[[line]] Thursday Oct. 26, 1871 [[line]]
From round hill S of mouth little [[har?]] N.E. Head in line with outer edge of spithead & two principal bluffs or points of middle Amaknak.

Observation from Δ East,

Δ West - by telemeter 97 between lower wires
N 83 3/4 W

[[math equation on right of page]]
30)97 (323 1/3
90
--
70  646 2/3
60
--
100  646 ft 8 in
90
--
10
[[/math equation]]

Hill opposite
E 3 N

Crest of Split Top Mt.
N 32 1/4 E

∆ K 25 above hinge from below - lower wires. 15)165(1100
N 56 3/4 E 1100ft

Highest Pt. S. Head [[Sudhac?]] Bay
N 51 1/2 E

Middle Pt. Sanu Ridge South
N 60 3/4 E

Highest Pt. S. End of Ridge
N 71 E.
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[[image - pencil drawing of contour map, possibly of Spithead and southern Amaknak island. Two Δ are marked on the map.]]

Transcription Notes:
Geographic names checked: for Oct 26: Amaknak, Split Top Mt.