Boise meridian, Principal meridian survey point near Snake River, Idaho, United States
The Boise meridian is a principal north-south reference line that runs through central Idaho between the Snake and Boise rivers. This imaginary line serves as the foundation for land surveys and property divisions throughout the region.
Established in 1867 at longitude 116°23'35" west of Greenwich, this meridian became one of 35 principal meridians in the United States Public Land Survey System. This standardized approach allowed orderly management of public lands across the territory.
The meridian influenced local development patterns, leading to the naming of Meridian city and the establishment of multiple survey monuments across Idaho territory.
The location of this reference line matters mainly to surveyors and officials working with property boundaries and land administration. Visitors can find survey monuments at certain points that mark the precise position.
The initial point of the Boise meridian intersects with its baseline at coordinates 43°22′19.25″N and 116°23′38.65″W, marking a critical geographic reference point.
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