Betsy A McMillionBetsy A. McMillion, an adjunct professor teaching classes on environmental issues and Patapsco Valley history, has managed hundreds of preservation projects in the park since 2004. Edward F. Johnson, a volunteer ranger since 2006, leads history hikesand art programs. He has manned the Avalon Visitor's Center and Ranger Station and served as a historian. Read More Read Less
An OTP has been sent to your Registered Email Id:
Resend Verification Code