Dear Members of the Geological Society of Washington, We are pleased to invite you to the Spring Geological Society of Washington Field Trip to Rock Creek Park, which has been rescheduled to Saturday, June 28th! This engaging trip will be led by Callan Bentley, former GSW president and Associate Professor of Geology at Piedmont Virginia Community College. The event will include an approximately 3-hour walking tour of the National Zoo lower region and Rock Creek Park area. Geologic themes of the trip will include Paleozoic tectonic history of the DC region with sites including the Rock Creek Shear Zone, Darton Fault and more! Trip Details: Location: Rock Creek Park and National Zoo lower region Duration: Approximately 3-hour walking tour Date: June 28th, 2025 Time: 8:00am to 11am-ish Meeting point: Lower (Beach Drive) entrance to the Zoo (Right across the street from Harvard Towers which are located at 1845 Harvard St NW, Washington DC 20009) Parking options: We are starting the trip bright early hoping to avoid DC parking issues around the zoo. Please see this information from NPS Parking - Rock Creek Park (U.S. National Park Service)<https://www.nps.gov/rocr/planyourvisit/parking.htm> Public Transportation options: Nearest metro stations are Columbia Heights (green line) and Woodley Park (red line). And there is also a Capital Bike Share rack there. We may also organize a carpool or metro group for any Northern Virginia/Reston/USGS participants who may want to travel as a group. *Please note the trip will involve approximately 2.5 miles of walking and standing on sidewalks and unpaved forest trails. Please dress accordingly and plan to bring snacks and water. Register by emailing Alan Pitts at pitts.alan@gmail.com<mailto:pitts.alan@gmail.com> We look forward to exploring DC bedrock geology with you!