Image:Borden Base Line - Massachusetts map, 1871.jpg

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[edit] Summary

Description

Map showing the location of the "Borden Base Line" running north/south between South Deerfield and Hatfield, Massachusetts, USA, here indicated as the "Base Line of the Mass. Trigonometrical Survey". This was the baseline for the first geodetic survey in the United States. This line was surveyed in 1831 to an accuracy of better than 1 part in 5 million by Simeon Borden.
Source

"Official Topographic Map of Massachusetts", Philadelphia : Stedman, Brown, & Lyon, 1871. Page 43, Franklin County. This image has been cropped to remove extraneous terrain.
Date

1871.
Author

H. F. Walling, Ormando Willis Gray.
Permission
(Reusing this image)

Public domain - author died more than 70 years ago.

[edit] Licensing

Public domain This image (or other media file) is in the public domain because its copyright has expired.

This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years.

Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Côte d'Ivoire has a general copyright term of 99 years and Honduras has 75 years, but they do implement that rule of the shorter term.

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File history

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Date/TimeDimensionsUserComment
current01:21, 15 February 2007642×670 (160 KB)Daderot ({{Information |Description=Map showing the location of the "Borden Base Line" running north/south between South Deerfield and Hatfield, Massachusetts, USA, here indicated as the "Base Line of the Mass. Trigonometrical Survey". This was the baseline for th)
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