Develops and presents a variety of interpretive natural history programs including: marsh walks, ecology walks, bird walks, and children's and adult discovery programs.  Leads crabbing, clamming, musseling, and surf fishing demonstrations.  Guides kayak programs in both the Maryland district and the Virginia district.  Presents non-illustrated campfire talks. Provides roving interpretation on park trails and high-use sites.  Operates visitor center providing information and informal interpretation to park visitors.  Handles sales for cooperating association.  Performs special projects and duties related to interpretive operation.  Spring and fall seasons include busy curriculum based environmental education programming for students pre-K through adult. Opportunities exist to partici