july, 2015 Seneca Creek State Park 11950 Clopper Rd, Gaithersburg, MD 20878 fri24jul4:30 pm- 8:30 pmCongressional Candidates at GOP Picnic @ Seneca Creek State Park, GaithersburgFRIDAY 4:30-Twilight Event Details Event Details Time(Friday) 4:30 pm - 8:30 pm LocationSeneca Creek State Park11950 Clopper Rd, Gaithersburg, MD 20878
