Maryland.

est. 1956 · 855 acres · Worcester County, MD (Assateague Island, near Ocean City)

est. 1969 · 1,079 acres · Calvert County, MD (Lusby; Chesapeake Bay shoreline)

est. 1954 · 6,157 acres · Frederick County, MD (~3 mi west of Thurmont)

est. 1959 · 1,800 acres · Garrett County, MD (northeast shore of Deep Creek Lake)

est. 1936 · 2,370 acres · Cecil County, MD (southern tip of the Elk Neck Peninsula between Chesapeake Bay and the Elk River, near North East)

est. 1934 · 1,209 acres · Frederick County, MD (~6 mi northwest of Frederick)

est. 1967 · 1,408 acres · Washington County, MD (~3 mi northeast of Boonsboro on South Mountain)

est. 1959 · 15,088 acres · Baltimore and Harford counties, MD (greater Baltimore area, north and east of the city)

est. 1964 · 365 acres · Garrett County, MD (~5 mi northwest of Oakland; near Swallow Falls SP)

est. 1963 · 3,160 acres · Somerset County, MD (just outside Crisfield on the Eastern Shore)

est. 1964 · 107 acres · Caroline County, MD (immediately south of Denton)

est. 1930 · 508 acres · Garrett County, MD (~6 mi south of Grantsville, in the Savage River State Forest)

est. 1907 · 16,043 acres · Baltimore, Howard, Carroll, and Anne Arundel counties, MD (greater Baltimore area)

est. 1939 · 916 acres · Worcester County, MD (Shad Landing near Snow Hill; Milburn Landing on the north shore)

est. 1965 · 1,046 acres · St. Mary's County, MD (southernmost tip of mainland Maryland where the Potomac meets the Chesapeake)

est. 1952 · 1,060 acres · Harford County, MD (along Deer Creek near Jarrettsville/Pylesville)

est. 1974 · 3,000 acres · Allegany County, MD (~7 mi east of Cumberland, on Evitts Mountain)

est. 1952 · 786 acres · Anne Arundel County, MD (immediately west of the Chesapeake Bay Bridge near Annapolis)

est. 1958 · 6,300 acres · Montgomery County, MD (Gaithersburg/Germantown area)

est. 1958 · 984 acres · Charles County, MD (Marbury, on Mattawoman Creek)

est. 1960 · 2,753 acres · Harford County, MD (north of Havre de Grace, on the lower Susquehanna)

est. 1906 · 257 acres · Garrett County, MD ~9 mi northwest of Oakland (Youghiogheny River)

est. 1975 · 3,929 acres · Caroline and Queen Anne's counties, MD (Eastern Shore; near Queen Anne)