Calvin University: Students Discovering Ice Age History in Lake Mud
July 19, 2025
July 19, 2025
GRAND RAPIDS, Michigan, July 19 -- Calvin University issued the following news:
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Students discovering ice age history in lake mud
On the floor of a 32-foot-deep small lake just northeast of Grand Rapids, Michigan, Calvin students are literally digging up history.
"It was a shot in the dark when we decided to core this lake initially," said Melinda Higley, an assistant professor of geology, geography, and environment. "We ho . . .
* * *
Students discovering ice age history in lake mud
On the floor of a 32-foot-deep small lake just northeast of Grand Rapids, Michigan, Calvin students are literally digging up history.
"It was a shot in the dark when we decided to core this lake initially," said Melinda Higley, an assistant professor of geology, geography, and environment. "We ho . . .