21 Site Longitude Latitude Site, State/Province Reg MSA MSA_Pop MSA_desc beg_date end_date 240030014 -76.6531 38.9025 Davidsonville MD 03 0720 2382172 Baltimore MD 20040330 20150424 240030019 -76.7294 39.1011 FT MEADE MD 03 0720 2382172 Baltimore MD 20040330 20040912 240051007 -76.6311 39.4608 Padonia MD 03 0720 2382172 Baltimore MD 20040330 20150424 240053001 -76.4744 39.3108 Essex MD 03 0720 2382172 Baltimore MD 20040330 20150424 240130001 -77.0417 39.4442 South Carroll MD 03 0720 2382172 Baltimore MD 20040330 20150424 240150003 -75.8600 39.7011 Fair Hill MD 03 9160 513293 Wilmington-Newark DE-MD 20040330 20150424 240170010 -76.8120 38.5042 Southern Maryland MD 03 8840 4223485 Washington DC-MD-VA-WV 20040330 20150424 240210037 -77.3758 39.4081 Frederick Co. MD 03 8840 4223485 Washington DC-MD-VA-WV 20040330 20150424 240251001 -76.2967 39.4100 Edgewood MD 03 0720 2382172 Baltimore MD 20040330 20150424 240259001 -76.2039 39.5633 Aldino MD 03 0720 2382172 Baltimore MD 20040330 20150424 240290002 -75.7833 39.3028 Millington MD 03 0000 1 Not in an MSA 20040330 20150424 240313001 -77.1069 39.1144 Rockville MD 03 8840 4223485 Washington DC-MD-VA-WV 20040330 20150424 240338003 -76.7583 38.8083 Prince Georges Co. Equestrian Ctr MD 03 8840 4223485 Washington DC-MD-VA-WV 20040330 20150424 240430009 -77.7219 39.5656 Hagerstown MD 03 3180 121393 Hagerstown MD 20040330 20150424 240230002 -79.0119 39.7058 Piney Run MD 03 -555 -999 Unknown, new site 20040715 20150424 240330030 -76.8783 39.0553 HU-Beltsville MD 03 8840 4223485 Washington DC-MD-VA-WV 20060215 20150424 240090011 -76.6169 38.5367 Calvert Co. MD 03 -555 -999 Unknown, new site 20060404 20150424 245100054 -76.5500 39.3331 Furley E.S.Rec Center MD 03 0720 2382172 Baltimore MD 20060824 20150424 240339991 -76.8169 39.0283 Beltsville MD 03 8840 4223485 Washington DC-MD-VA-WV 20080418 20150424 240471001 -75.1594 38.2511 Assateague Island National Seashore - Ma MD 03 -555 -999 Unknown, new site 20080429 20101005 240199991 -76.1111 38.4450 Blackwater NWR MD 03 -555 -999 Unknown, new site 20100102 20150424