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Contributed by Smithsonian Institution Archives.
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Transcription
Blanchiert Chart
Railroad level = 59 1/4 ft.
12 1/2 ft. interval.
Pike level at pointy exit = -46 3/4 ft.
15 ft.
14x strph. mutans in situ. also neglected.
5 ft 7 in. lateral.
(strph. mutans, neglecta, velusta, etc.)
14x
2 1/2 ft. interval. Strph. mutans from
Refino quina tree right. Septen.
1 1/2 ft.