To Download Files:

• PC: right click file, choose "Save Link As..." (Netscape), or "Save Target As..." (Internet Explorer)
• Macintosh: click and hold, choose "Save This Link As..." (Netscape), or "Download Link to Disk..." (Internet Explorer)

Grid Formats: .grd=Geosoft binary,  .gxf=grid exchange ascii,  .usg=USGS binary

Explanation of grid files:

        grid_facts.txt

        grid_facts.doc

Aeromagnetic Grid Files:                    Gravity Grid Files:

        ga_mag_305m_msk.grd                    ga_cboug_msk.grd     

        ga_mag_305m_msk.gxf                    ga_cboug_msk.gxf

        ga_mag_305m_msk.usg                    ga_cboug_msk.usg

Gravity Point File:

        ga_grav_NGDC99.asc

        gravity_facts.txt    (describes the data fields in file ga_grav_NGDC99.asc)

Hi-res Aeromagnetic Image File:

        ga_mag_200dpi.jpg [8 MB]

 

All three of the grid file types may be viewed on-screen using the free OasisMontaj 5.0 interface software available from Geosoft at their website: http://www.geosoft.com/pinfo/free/.  Limited printing is also supported.