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RT @USGS_Pubs: Geologic map of the Murray Quadrangle, Newton County, #Arkansas https://t.co/gu70m7q7pg https://t.co/aDA5qjjIa4
RT @USGS_Pubs: Geologic map of the Murray Quadrangle, Newton County, #Arkansas https://t.co/gu70m7q7pg https://t.co/aDA5qjjIa4
RT @USGS_Pubs: Geologic map of the Murray Quadrangle, Newton County, #Arkansas https://t.co/gu70m7q7pg https://t.co/aDA5qjjIa4
RT @USGS_Pubs: Geologic map of the Murray Quadrangle, Newton County, #Arkansas https://t.co/gu70m7q7pg https://t.co/aDA5qjjIa4
RT @USGS_Pubs: Geologic map of the Murray Quadrangle, Newton County, #Arkansas https://t.co/gu70m7q7pg https://t.co/aDA5qjjIa4