| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Durango '67 | M-A | 4420 m (barometer) | 1.60 km | 4,441 km |
| Powderhorn '78 | M-D | 3962 m (barometer) | 1.20 km | 482 km |
| Lake City (San Juan Mtns.) | M-D | 121.9 m above ground | 0.53 km | 1,264 km |
| Ute Mountains | M-D | 106.7 m above ground | 0.80 km | 11,426 km |
| San Juan Mountains '86 | M-D | 304.8 m above ground | 0.53 km | 7,483 km |
| Eureka Grabben | M/EM-D | 60 m above ground | 0.20 km | 1,495 km |
| Creede, Area 1 | M/R-D | 121.9 m above ground | 0.40 km | 1,388 km |
| Columbine Pass, Area A | M/R-D | 121.9 m above ground | 0.40 km | 1,989 km |
| Redcloud Peak, Area B | M/R-D | 121.9 m above ground | 0.40 km | 2,198 km |
| Granite Lake, Area D | M/R-D | 121.9 m above ground | 0.40 km | 645 km |
| Durango | M/R-D | 121.9 m | 3.20 km | 7,306 km |
| Montrose | M/R-D | 121.9 m | 3.20 km | 5,664 km |
| Silverton | M/EM-D | 140 m above ground | 0.15 km | 1,478 km |