We have a collection of 1:20,000 topographic maps apparently titled "Plans Directeurs", published by the French during WWI, and reprinted in 1941(!). They all seem to be portrait format.
They appear to cover the WW1 western front from the Channel to Switzerland.
There is no lat/long, only a wartime 'front nord de guerre' grid.
Just to make life harder, the sheets are named, not numbered, 

Does anyone have an index or other finding aid for this series? Googling online brought up a reference that they were made available to the public after the war, so I am guessing other libraries hold them too?

I have an index for similar maps at 1:10,000, but we do not have maps at that scale and while some of the titles are the same at both scales, the sheetlines are definitely different!


Thanks,

Brendan




Dr Brendan
Whyte

Assistant Curator of Maps

National Library of Australia

Parkes Place

Parkes

ACT 2600

AUSTRALIA

 

Ph: +61 2 6262 1192

Fax: +61 2 6262 1653

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http://www.nla.gov.au/map/index.html

 

“Sed ego qui scripsi hanc historiam aut uerius fabulam
quibusdam fidem in hac historia aut fabula non accommodo. Quaedam enim ibi sunt
praestrigia demonum, quaedam autem figmenta poetica, quaedam similia uero,
quaedam non, quaedam ad delectationem stultorum.” – Colophon to Táin Bó
Cúalnge in the Book of Leinster