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"...the oldest known footprints in Mexico" (abs: http://t.co/pOcSwwLgQb ) #science
"...the oldest known footprints in Mexico" (abs: http://t.co/pOcSwwLgQb ) #science
"...the oldest known footprints in Mexico" (abs: http://t.co/pOcSwwLgQb ) #science
Well done Nick! "Holocene-aged human footprints from the Cuatrociénegas Basin, NE Mexico". First U series paper! http://t.co/FFpj8dTV4g
@VonFelstead finds footprints from 10 ka in Mexican sediments http://t.co/SqkcRChART