Scope and Content: As part of a survey of the Commonwealth commissioned by the governor in 1830 in order to prepare an accurate map of Massachusetts, geographic locations of base points were determined by calculations made from trigonometrical and astronomical measurements taken in the field.  This series contains two notebooks of data calculated by Simeon Borden from trigonometrical survey field notebooks; an 1838 final report with calculations by Robert Treat Paine, the astronomical surveyor; and an 1846 published monograph of latitude and longitude tables based on the trigonometrical and astronomical work, with partial ms. draft.
Arrangement: Arranged by type of data
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