Survey name | Type | Altitude | Spacing | Flight line distance |
---|---|---|---|---|
Des Moines | M/R-D | 121.9 m | 9.60 km | 2,666 km |
Manson (Blanden) | M-A | 304.8 m above ground | 1.60 km | 1,770 km |
East-central Iowa | M-A | 304.8 m above ground | 1.60 km | 12,070 km |
Southeast Iowa | M-A | 304.8 m above ground | 1.60 km | 14,886 km |