Conglog_1919.JPG

Summary

Description Conglog 1919.JPG	English: Map of Conglog Slate Quarry, Tanygrisiau, Wales, published in 1919, shortly after the quarry closed
Date	24 March 2013, 15:26:11
Source	Ordnance Survey 1:2500 map 1919
Author	Ordnance Survey

This work created by the United Kingdom Government is in the public domain .

This is because it is one of the following :

It is a photograph taken prior to 1 June 1957; or
It was published prior to 1974; or
It is an artistic work other than a photograph or engraving (e.g. a painting) which was created prior to 1974.

HMSO has declared that the expiry of Crown Copyrights applies worldwide (ref: HMSO Email Reply )
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The work is in the public domain because it was published by the Ordnance Survey and is more than 50 years old.