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Glacial History Bike Tour

Schedule and location


Sunday, November 3, 2019, 9:00 to 11:00 a.m. 
Thornhill Education Center

Fees and Registration

$16.00 member
$20.00 non-member

BY PHONE: 630-719-2468 ( Monday through Friday, 9:00 a.m. to 4:00 p.m.)

Course description

Learn the geologic history of the Midwest as we cycle the the roads of the Arboretum. The beautiful rolling terrain of hills, valleys, meadows, reveal a story of glaciers and erosion over the past fifteen thousand years.  A bicycle is the ideal way to explore this varied glacial terrain. Led by David Dolak, geologist, artist, and cross-country cyclist.

Course number



Dave Dolak, geologist and cross-country cyclist

David Dolak is Professor of Instruction at the Department of Science and Math at Columbia College Chicago.  His environmental science graduate work covered the geology, water resources, and ecosystems at the Indiana Dunes National Park. He also has  geologic expertise in the bedrock geology and the glacial history of the Chicago area and the Mazon Creek fossils of  Northern Illinois. 

Prior to his career as an educator, Mr. Dolak was an Environmental Scientist at Argonne National Laboratory  and in a long ago, prehistoric time he was a mill-rat at US Steel in Gary Indiana.  He is an active outdoors adventurer, bicycling across the United States and around the Great Lakes and backpacking in many national parks.  His graduate degree is from Indiana University."

Course details

Notes: Bring your own bike. Helmets required. Must be comfortable riding at a leisurely pace approximately 8 to 9 miles over rolling terrain. In case of inclement weather, the rain date will be November 10. Limit 15

Arboretum class weather, cancellation and refund policies

Glacial History Bike Tour