Survey type | M-A (magnetic; derived from analog data) |
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Flown by | Aero Service Corporation |
Date flown | ?/68 |
Line spacing | 1.6 (km) |
Altitude | 304.8 (m) above ground |
Total distance | 12,070 (km) |
References | |
Counties | Carroll - Jo Daviess - Rock Island - Whiteside - Benton - Black Hawk - Buchanan - Cedar - Clinton - Dallas - Delaware - Dubuque - Grundy - Hardin - Iowa - Jackson - Jasper - Johnson - Jones - Linn - Marshall - Muscatine - Polk - Poweshiek - Scott - Story - Tama |
Overlapping surveys |
Metadata | Questions & Answers - Outline - Parseable text - XML |
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Download | IA_IA03.zip |