(VA) (Friends of Dyke Marsh) Join our volunteer team once a month, 8:30 a.m. to 12 noon, and  help count butterflies and dragonflies in Dyke Marsh on September 23rd and October 21st.  Surveyors do not need experience or specialized knowledge. Meet in the south Belle Haven Park parking lot. Wear sturdy shoes, bring water, sun and insect protection and a snack. Binoculars, ...