Happy Birthday USGS! Check out a brief history of USGS at https://t.co/1rQUhL38bL #USGS #HappyBirthdayUSGS #txwater #OKWater https://t.co/TjCSrPzIxh
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RT @USGS: The USGS was established in 1879. We love what we do! Check out our publication "A Brief History of the U.S. Geological Survey."…
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RT @USGS: The USGS was established in 1879. We love what we do! Check out our publication "A Brief History of the U.S. Geological Survey."…
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RT @aboutgeology: I still have Volumes 1 and 2 of Mary Rabbitt's four-volume history of the USGS but haven't read them yet. Maybe this woul…