Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
35083
| MD | | Ft. Pendleton, North Fork of Patuxent River | 1874 |
02070002
| North Branch Potomac | failed |
35059
| MD | | Tank Station, W.M.R.R., North Patapsco Creek, tributary of Patapsco | 1874 |
02060003
| Gunpowder-Patapsco | failed |
35071
| MD | | Eastern shore in rivers | 1874 |
02040303
| Chincoteague | failed |
35087
| MD | | state non-specific | 1874 |
02000000
| Mid Atlantic Region | failed |
35075
| MD | Allegany | Above Tameny, Evitts Creek, Trib. of Potomac | 1874 |
02070002
| North Branch Potomac | failed |
35076
| MD | Anne Arundel | Wills Creek near Jenning Run, trib. of Potomac | 1874 |
02070002
| North Branch Potomac | failed |
35086
| MD | Baltimore | Deer Creek, near Pennsylvania line, Trib. of Susquehanna | 1874 |
02050306
| Lower Susquehanna | failed |
35067
| MD | Baltimore | Freeland, Gunpowder River, Trib. of Gunpowder | 1874 |
02060003
| Gunpowder-Patapsco | failed |
35070
| MD | Baltimore? | Gores Meadow, Gunpowder River, Trib. of Gunpowder | 1874 |
02060003
| Gunpowder-Patapsco | failed |
35068
| MD | Baltimore? | Middletown, Gunpowder River, Trib. of Gunpowder | 1874 |
02060003
| Gunpowder-Patapsco | failed |
35066
| MD | Baltimore? | Parkton, Gunpowder River, Trib. of Gunpowder | 1874 |
02060003
| Gunpowder-Patapsco | failed |
35080
| MD | Carroll | Hood's Mill, Patapsco River, Trib of Patapsco | 1874 |
02060003
| Gunpowder-Patapsco | failed |
35060
| MD | Carroll | Wakefield, W.M.R.R., Pipe Creek, Tributary of Monocacy | 1874 |
02070009
| Monocacy | failed |
35061
| MD | Carroll-Frederick | Union Bridge, Pipe Creek, Tributary of Monocacy | 1874 |
02070009
| Monocacy | failed |
35081
| MD | Cecil | Liberty Grove, Octoraro Creek, Trib. of Susquehanna | 1874 |
02050306
| Lower Susquehanna | failed |
35073
| MD | Frederick | Mechanicstown [=Thurmont], Owens Creek, trib. of Monocacy | 1874 |
02070009
| Monocacy | failed |
35078
| MD | Frederick | Monrovia, Bush Creek, Trib. of Monocacy | 1874 |
02070009
| Monocacy | failed |
35063
| MD | Frederick | Slabtown, Owens Creek, Tributary of Monocacy | 1874 |
02070008
| Middle Potomac-Catoctin | failed |
35077
| MD | Garrett | Frankville, Savage Creek, trib of Potomac | 1874 |
02070002
| North Branch Potomac | failed |
35082
| MD | Howard | 3 branches of Patuxent River | 1874 |
02060006
| Patuxent | failed |
35085
| MD | Montgomery | Patuxent River near source | 1874 |
02060006
| Patuxent | failed |
35065
| MD | Washington | Hagerstown, Antietam Creek, Tributary of Potomac | 1874 |
02070004
| Conococheague-Opequon | failed |
35072
| MD | Washington | Hagerstown, Conocheague Creek, Trib. of Potomac | 1874 |
02070004
| Conococheague-Opequon | failed |