Volunteer Opportunties: Volunteers are currently being coordinated by Patapsco Valley State Park.  The park offers many exciting volunteer opportunities that include: Staffing the Visitor Center Leading interpretive programs Removing noxious/exotic plants - See our Upcoming Events web page. Maintaining park grounds If you're interested in becoming a volunteer, please contact the park's volunteer coordinator Larry Martin at 410-465-3287 or lmartin@dnr.state.md.us.  For more information, you can also go to the Patapso Valley State Park Homepage: http://www.dnr.state.md.us/publiclands/central/patapscovalley.html