Volunteer: Maintaining the groundsBe a part of historic preservation by taking care of Riordan Mansion's grounds. You may be asked to rake pine needles, pickup sticks and rocks, dispose of trash, eliminate evasive plant species in our gardens, and/or shovel snow. Agency: Riordan Mansion State Historic Park Be a part of historic preservation by taking care of Riordan Mansion's grounds. You may be asked to rake pine needles, pickup sticks and rocks, dispose of trash, eliminate evasive plant species in our gardens, and/or shovel snow. Agency: Riordan Mansion State Historic Park Volunteer Need Type: Volunteer Date: Multiple Shifts Available Zip Code: 86001 Allow Groups: Yes |