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German retirements Somme 1917

Diagram of the Ancre valley in early 1917 showing 1st Army retirements before and during Operation Alberich

Date
1922
Mapmaker / publisher
F. Clive Grimwade
Archive
Wikimedia Commons
Type
map
Original size
800 × 1,232 pixels

Public domainsafest

Reason: its US copyright has expired (published before 1931).

Read from: Commons licence category: PD US expired; no CC BY, CC BY-SA, GFDL or deletion tag on the file page.

Credit line

"German retirements Somme 1917" (1922). F. Clive Grimwade, via Wikimedia Commons. Public domain. https://commons.wikimedia.org/wiki/File:German_retirements_Somme_1917.png

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