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File:1922 Index of Great Trigonometrical Survey of India.jpg

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Captions

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Map of the Great Trigonometrical Survey of India

Summary

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Description

Index to the Great Trigonometrical Survey of India (1922). India is shown on a 1-degree grid of green lines. The blue triangles indicate the Great Trigonometrical w:triangulation measurements. Triangulation series are indicated by a number in parentheses. These series are described in the table at the bottom left. The red dash-dot lines are telegraph longitude area.

Among the many accomplishments of the Survey were the demarcation of the British territories in India and the measurement of the height of the Himalayan giants: Everest, K2, and Kanchenjunga.
Date
Source Report of the Survey of India for 1921–22
Creator
Survey of India, Government of India
 Geotemporal data
Bounding box
N: 36.2249816°N
W: 56.2257736°E E: 107.342737°E
S: 0.2643323°N
Georeferencing View the georeferenced map in the Wikimaps Warper

Licensing

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Public domain
This work is in the public domain in India because its term of copyright has expired.

The Indian Copyright Act applies in India to works first published in India. According to the Indian Copyright Act, 1957, as amended up to Act No. 27 of 2012 (Chapter V, Section 25):

  • Anonymous works, photographs, cinematographic works, sound recordings, government works, and works of corporate authorship or of international organizations enter the public domain 60 years after the date on which they were first published, counted from the beginning of the following calendar year (i.e. as of 2025, works published prior to 1 January 1965 are considered public domain).
  • Posthumous works (other than those above) enter the public domain after 60 years from publication date, counted from the beginning of the following calendar year.
  • Any kind of work other than the above enters the public domain 60 years after the author's death (or in the case of a multi-author work, the death of the last surviving author), counted from the beginning of the following calendar year.
  • Text of laws, judicial opinions, and other government reports are free from copyright.
The Indian Copyright Act, 1957 is not retroactive, so any work in which copyright did not subsist when it commenced did not have its copyright restored, and is in the public domain per the Copyright Act 1911.
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
 Note that this work might not be in the public domain in countries that do not apply the rule of the shorter term and have copyright terms longer than life of the author plus 60 years. In particular, Mexico is 100 years, Jamaica is 95 years, Colombia is 80 years, Guatemala and Samoa are 75 years, and Switzerland and the United States are 70 years.

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Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1930.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:1922_Index_of_Great_Trigonometrical_Survey_of_India.jpg

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Date/TimeThumbnailDimensionsUserComment
current08:59, 26 September 2013Thumbnail for version as of 08:59, 26 September 20135,560 × 4,448 (16.54 MB)Shyamal (talk | contribs){{Information |Description=Index to the Great Trigonometrical Survey of India (1922) |Source=Report of the Survey of India for 1921-22 |Date=1922 |Author=Survey of India, Government of India |Permission={{PD-1923}} |other_versions= }} [[Category:Maps...

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