Republic and Toroda Creek Grabens, (WA)
A detailed aeromagnetic survey of the Republic and Toroda Creek grabens was flown by Hunting Geophysical Services, Inc. in 1959. Five 15-minute quadrangles were surveyed. (See location map overleaf.) The data were published by the Washington Division of Mines and Geology in 1960. The publication is now out of print. EDCON-PRJ has digitized the maps and merged the data into a single grid.
Survey Size: 3,945 line miles
Flight Lines: East-West, 0.25 miles
Elevation: 500 feet above terrain
Date Flown: 1959
Data Provided:
- Total Magnetic Intensity (IRGF removed) contour map
- Flight Path Map
- Reduced-To-Pole of TMI map
- Vertical Derivative map (optional)
- Horizontal Gradient (optional)
- Profiles, on paper (optional)
- CD/DVD with Flight Line data and grids
Total Cost: $1,450
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