Coring
old lake beds and examining the types of pollen trapped in sediment layers led to the discovery of the Younger Dryas early in the twentieth century.
The flat plates of rock that Osmanagich and a number of his experts — including an Egyptian geologist — claim were handmade at least 12,000 years ago are actually the natural remains of a 7 - million - year -
old lake bed, the dissenting geologists say.
Not exact matches
This summer, environmental questions will be heard surrounding the construction of a new amphitheater on the
old Solvay waste
beds along Onondaga
Lake.
Honeywell is already looking at ways to clean up the
old waste
beds on that part of the
lake shore.
To that end, with the permission of the National Museums of Kenya, she gave them a fragment of a 4 - million - year -
old fossil from a buffalo - like animal recovered in the excavation of a bone
bed at Allia Bay, on the east side of
Lake Turkana.
Diatomaceous earth is mined from underwater
beds or from ancient dried
lake bottoms thousands of years
old.
The Park offers excellent biking and hiking trails which wind through spectacular natural landscapes, such as the Olympic Discovery Trail and the Spruce Railroad, which hugs the north shore of
Lake Crescent along an
old railroad
bed.
The U.S. Geological Survey took
old lake -
bed cores out of storage and re-examined them.