Survey type | M-Dz (magnetic; digitized from contour maps) |
---|---|
Flown by | U.S. Geological Survey |
Date flown | 08/53-11/53 |
Line spacing | 3.2 (km) |
Altitude | 3200 (m) by barometer measurement |
Total distance | 4,972 (km) |
References | |
Counties | Beaverhead - Broadwater - Deer Lodge - Gallatin - Granite - Jefferson - Lewis and Clark - Madison - Meagher - Powell - Silver Bow |
Overlapping surveys |
Metadata | Questions & Answers - Outline - Parseable text - XML |
---|---|
Download | MT0085A.zip |