Map of Occupied Tokyo, after WW2.
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GHQ 地図 (map) in Occupied Japan オキュパイドジャパン. Notice the street names…Avenue Q…15th street.
There’s also this map from the National Library of Australia: “City map, central Tokyo / prepared under the direction of the Engineer, GHQ, FEC ; by the 64th Engineer Base Topographic Battalion” (1948). The full map (below, right) is at a decent resolution. For greater detail, see the library’s website. Three examples are below, left. Interestingly, the GHQ Laundry is the current location of Tsukiji’s vegetable and fruit market.