Welcome to GEO-DC!


Welcome to Lana Billeaud and John McGinnis, our newest members to GEO-DC.

2021 events:

“The Rocks Speak” a northern Door County trolley tour by Earth Science Emeritus Professor of Northeastern Illinois University, Dr. Charles Shabica and Bob Bultman, trained in geology, an avid caver and a member of the Niagara Escarpment Resource Network (NERN) for over 22 years. Together they will explore the geologic features and beaches of the Niagara Escarpment.  This 4-hour tour is on August 11, 2021 from 2:00pm until 6:00pm and is limited to 20 people.  We will leave from Door County Trolley on Hwy 42 just north of Egg Harbor. (please arrive 15 mins. ahead of trip time) The cost is $45/person.  Go to www.geo-dc.org home page under “Forms” for registration and details.

In spite of the weather “The Rocks Speak” went on with great success! Here are some of the photos taken while on this trolley trip.

Wednesday, July 13

LEDGES & LEGENDS (Rock the Boat)

Begins at 10:00 am

Come join the fun as the tour boat sets sail from the Sister Bay Marina on July 13th at 10:00am on a two-hour trip into Death’s Door. View the escarpment ...
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Thursday, August 25


Begins at 7:00 pm

Put on your dancing shoes and dance the night away to the music of the Door County Swing Band at the Fernwood Gardens Ballroom at 5890 Hwy 57 just south ...
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Friday, September 30


Begins at 9:00 am

Join us on this trolley ride that will explore several of Door County’s spots where the escarpment can be viewed. Locations may differ from last year. This guided tour leaves ...
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