Survey type | M-Dz (magnetic; digitized from contour maps) |
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Flown by | U.S. Geological Survey |
Date flown | 11/46-?/48 |
Line spacing | 0.4 (km) |
Altitude | 548.6 (m) by barometer measurement |
Total distance | 14,749 (km) |
References | |
Counties | Franklin - Jefferson - Saint Francois - Washington |
Overlapping surveys |
Metadata | Questions & Answers - Outline - Parseable text - XML |
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Download | MO0082A.zip |