Republic and Toroda Creek Grabens, (WA) [A1038]

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


500 feet above terrain

Date Flown:


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:


PDFPDF spec sheet: A1038_wa_republic_graben_rev-06-08


PDF map: A1038_wa_republic_graben

icon_kmz-Document-iconKMZ : A1038_republic_and_toroda_creek_grabens

SHP download: