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I think this is the first I've sen this note- 1886 GLO...

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rankin_file
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Slope chaining? Bottom Right page.


 
Posted : April 12, 2016 8:57 pm
Warren Smith
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That note is analog Metadata ...


 
Posted : April 12, 2016 9:00 pm
Kent McMillan
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I certainly wouldn't rule out slope chaining in 1886. Some of the resurvey work that I've followed in Texas from 1889 was almost certainly slope-chained and corrected, but most likely by clinometer measurements rather than transit angles.


 
Posted : April 12, 2016 9:29 pm
MightyMoe
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Slope corrections----not all that unusual

A legible set of GLO notes from the Montana scans------that's unusualB-)


 
Posted : April 13, 2016 8:49 am