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Collier's 1921 World War - German submarine blockade
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Collier's 1921 World War - German submarine blockade

Map showing the locations of the German submarine war zone as of February 1, 1917, during World War I.

Date
1921
Mapmaker / publisher
publ. by P. F. Collier
Archive
Wikimedia Commons
Type
map
Original size
760 × 1,116 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

"Collier's 1921 World War - German submarine blockade" (1921). publ. by P. F. Collier, via Wikimedia Commons. Public domain. https://commons.wikimedia.org/wiki/File:Collier%27s_1921_World_War_-_German_submarine_blockade.jpg

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Need maps for a whole project? Add Find Any Map to Claude and ask for this one by its id: 22005.

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