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Saint Ignatius, Lake County, Montana
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The Ephemeris 1950, a publication by the U.S. Department of Interior's Bureau of Land Management, supplies astronomical data for cadastral engineers surveying public lands and setting U.S. boundaries, a practice since George Washington's time. It is sold for 20 cents and used by surveyors worldwide.
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The sun and the stars have much to do with the laying out the lines and boundaries of these United States. The Ephemeris 1950, a recent publication of the Department of Interior, Bureau of Land Management, is the guiding star for cadastral engineers who have been surveying the public lands and setting the boundaries of this country since the days of George Washington.
This publication, in its 41st edition, provides astronomical data on the sun, Polaris and other selected stars. The Ephemeris is not a popular publication, and it is not offered for free distribution. The Government Printing Office sells the scientific pamphlet for 20 cents.
"Surveyors and navigators all over the world use this type of star guide to determine meridians, positions and thereby chart their courses," Dr. Marion Clawson, Director of the Bureau of Land Management, said.
The book, an annual publication of the Bureau of Land Management, is the authoritative source of data necessary in surveying public lands.
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Location
United States
Event Date
1950
Story Details
The Ephemeris 1950 provides astronomical data on the sun, Polaris, and other stars for surveying public lands and setting boundaries since George Washington's days. It is an annual authoritative source sold for 20 cents, used by surveyors and navigators worldwide to determine meridians and positions.