| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Baltimore | M/R-D | 121.9 m | 4.80 km | 4,250 km |
| Montgomery County | M-Dz | 152.4 m above ground | 0.40 km | 2,282 km |
| Sugar Loaf | M-Dz | 152.4 m above ground | 0.40 km | 2,253 km |
| Baltimore Gneiss | M-Dz | 152.4 m above ground | 0.80 km | 3,307 km |
| Maryland Coop '70 | M-Dz | 1067 m (barometer) | 1.60 km | 5,359 km |
| Northern Maryland | M-Dz | 152.4 m above ground | 0.80 km | 2,719 km |
| Pennsylvania Triassic '57 | M-Dz | 152.4 m above ground | 0.40 km | 18,958 km |
| Central & Northern Penn. | M-Dz | 304.8 m above ground | 4.80 km | 12,713 km |
| Ft. Belvoir ARMS | M-Dz | 152.4 m above ground | 1.60 km | 14,039 km |
| Culpeper Basin | M/R-D | 152.4 m above ground | 1.20 km | 2,092 km |