RT @USGS: [PUB] ‘Classic’ USGS Publication- The Tertiary gravels of the Sierra Nevada of California Professional Paper 73 By: Waldemar Lind…
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RT @USGS: [PUB] ‘Classic’ USGS Publication- The Tertiary gravels of the Sierra Nevada of California Professional Paper 73 By: Waldemar Lind…
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RT @USGS: [PUB] ‘Classic’ USGS Publication- The Tertiary gravels of the Sierra Nevada of California Professional Paper 73 By: Waldemar Lind…
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[PUB] ‘Classic’ USGS Publication- The Tertiary gravels of the Sierra Nevada of California Professional Paper 73 By: Waldemar Lindgren (1911) https://t.co/wMJmxNdcDY https://t.co/rYnyKCyOLZ