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36th and Southern Ave

Oxon Hill Rd, Ft Foote Rd.

College Park; University of Maryland campus, near Myers Farm home

Davidsonville; 0.5 mi W of Queen Annes Bridge Road, along Tanglewood Lane

Along MD Hwy 303, 0.2 mi E of the junction with Hwy 309 and 0.4 mi W of Voshel Road turnoff, 1 mi W of Trappers Corner, NE of Cordova

College Park; Behind McDonalds on Rte 1

Saint Georges Island

Along roadside Rte 210, found in Oxon Hill

Trovinger Mill Road, 1.5 mi from Jefferson Blvd

Found at University of Marylands center of environmental research, 3 mi W of Cambridge at Horn Point

Along Rte 405, 8 mi SE of Chestertown (Wrong County recorded)

College Park; University of Maryland, 0.5 mi N of Cambridge complex

Rte 175

E New Market Quad SE, Rhodesdale SW

Easton, SE

Hartley SW, SE

Quadrate Kenton SW, SE

Whip-poor-will Way, near Drop Zone; North Tract, Pauxent Research Refuge

E of intersection of Rt 301 and Rt 234, on 234 drainage ditch banks.

Cheltenham Wetlands Park, Commo Rd and Piscataway Creek half way between Cheltenham and Clinton, near Dangerfield Rd entrance to new park.

SE corner of Greentree Reservoir; North Tract, Patuxent Research Refuge

College Park; athletic field on W side of Calvert Rd W of Old Calvert Rd.

Waste field near U.S. 50 about 7 mi N of Easton.

Millington SE quad; 39.278889 -75.785833

McKnatt Corners NE, SE; 38.949722 -75.669167

Greenbelt; Cherrywood Ln near Breezewood Dr.

College Park, in the athletic field on the W side of Calvert Rd W of Old Calvert Rd.

College Park; peach orchard back of Garneaux Hall

College Park area along W side of Adelphi Rd, 0.5 mi S of Metzerott Rd.

Greentree Reservoir, East side; North Tract, Patuxent Research Refuge.

Marlboro Fair Grounds, Marlboro.

National Seashore, Assateague Island; marsh at E end of road to Pine Tree canoe campground at main road; 3.5 mi S of paved portion of Route 611;

Greenbelt; NE side of Greenbelt Lake, on peninsula

Milford NE, N

Blackiston SW, SE; 39.257222 -75.751111

Galena S.E.

Border of Pretty Boy Reservoir near the mouth of the Pretty Boy, ca. 4 mi NW of Hereford.

Bay between Hudsonia flats; Assateague Island

Roadside ditch opposite water purification building, intersection Rt 611 and Bayside Campground Rd; North Beach, National Seashore.

N. T. Road S. End; Assateague Island

Jug Bay Wetlands Sanctuary, Patuxent River and Wrighton Rd, in marsh along the boardwalk.

Roadside River Rd.

E New Market SE, Rhodesdale SW quads

Quadrate E. New Market SE, Rhodesdale SW

Sudlersville SE, SW

Behind secondary dune in Bethany Beach.

Tidal flats just N of large railroad bridge at Perryville, Susquehanna River.

Off River Rd at the McKee Beshers Wildlife Management area, road at edge of an abandoned field.

Smyrina SW, SW; 39.2275 -75.618611

Church Creek NW, NE; 38.567222 -76.203333