'In the Pleistocene epoch, these gouged at gorges in river valleys; when they melted, rocks & soil were left'
Glaciers
PREHISTORIC TIMES: In the Pleistocene epoch, these gouged at gorges in river valleys; when they melted, rocks & soil were left
In the Pleistocene epoch, these gouged at gorges in river valleys; when they melted, rocks & soil were left
In the Pleistocene epoch, these gouged at gorges in river valleys; when they melted, rocks & soil were left
PREHISTORIC TIMES
Glaciers
PREHISTORIC TIMES