RT @USGS: Historic USGS Publication (1878): [PUB] Twelfth Annual Report of the United States Geological and Geographical Survey of the Terr…
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RT @USGS: Historic USGS Publication (1878): [PUB] Twelfth Annual Report of the United States Geological and Geographical Survey of the Terr…
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Historic USGS Publication (1878): [PUB] Twelfth Annual Report of the United States Geological and Geographical Survey of the Territories: Maps and panoramas: https://t.co/pNeLQkxZT6 #Geology #Wyoming #Utah #Idaho https://t.co/YzjUct32a3
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RT @USGS: Historic USGS Publication (1878): [PUB] Twelfth Annual Report of the United States Geological and Geographical Survey of the Terr…