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File:B&A 19560429 Profile.png

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Summary

Description
English: Gradient Profile of Main Line Boston-Albany as of 1956-04-29, from Employee Timetable No. 176
Date
Source Boston & Albany RR
Author Boston & Albany RR

Licensing

This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.

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inception

29 April 1956

media type

image/png

checksum

ece296edc370e22dd3f601d2eea8291e26f58f43

determination method or standard: SHA-1

data size

13,464,826 byte

height

2,196 pixel

width

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Date/TimeThumbnailDimensionsUserComment
current23:43, 29 April 2015Thumbnail for version as of 23:43, 29 April 20153,036 × 2,196 (12.84 MB)LexcieUser created page with UploadWizard

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