April 24, 2018
Operation Barbarossa Superimposed onto a map of the United States #map #maps https://t.co/XqjqMac71l
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April 9, 2017
Federally Owned Land in the United States #map #maps https://t.co/hcCo1d5tSp
August 18, 2016
#Maps showing expansion of #slavery across U.S.. The Smithsonian https://t.co/Val1T3A6di https://t.co/7MkFswq753
April 29, 2016
This is quite interesting. #history #maps #twitterstorians #cartography #slavery attn: @alegrerob https://t.co/e7HMIq0Cl9