$150

Dr. Peter Vogt, retired geoscientist and founding member of the American Chestnut Land Trust, invites you and your group (up to five participants) for a personalized discussion at the ACLT South Side Trailhead. Peter will cater the conversation around your group’s interests and explain any number of the topics below in plain terms: • The history of ACLT and Scientists Cliffs • The history and prehistory of Calvert County • Formation of present-day Chesapeake Bay starting 10,000 years ago • Parker’s Creek origin by piracy • The formation and story of Calvert Cliffs • Formation of Calvert County including Parker’s Creek watershed topography starting about 3 million years ago and still going on today • Calvert Cliffs and shoreline retreat/erosion rates and processes • What’s below us thousands of feet and many miles. What we know and how we know it. • Our local beach and backyard sands - how we know the oldest grains date to 2.7 billion years ago. • Local forests today and thousands of years ago • Past and future Climates A short, guided walk will offer the chance to explore the south side forest, identify trees, discuss invasive species, and read the landscape’s topography. Whether you’re passionate about conservation, geology, or local history, this rare opportunity to learn from one of the region’s most knowledgeable experts is not to be missed.