Volunteer: Hart-Miller Island VolunteersVolunteers who serve at Hart Miller Island should log their hours to this opportunity and provide descriptions of the work they have performed when they do so. Location: Gunpowder Falls State Park Complex Volunteers who serve at Hart Miller Island should log their hours to this opportunity and provide descriptions of the work they have performed when they do so. Location: Gunpowder Falls State Park Complex Opportunity Type: Volunteer Date: Flexible Zip Code: 21221 Allow Groups: No |