R72232 GSWA 1:250k Geophysics_Series ERS Grids

The 'Geodetic' sub-folder contains 1,496 source ERS grids in geodetic coordinates for the various JP2 images.
To obtain the uncompressed grid files in the Geodetic sub-folder, request offline delivery on a hard drive (at a cost of $132) via the online order form
https://forms.dmp.wa.gov.au/lfserver/anonymous/MAGIX_OpenFile.
These uncompressed data and ers header files are not accessible via the MAGIX application.

However, the folder with its individual grid files has been compressed into a 19GB 7zip file available here for download.

Instructions to extract the folder and files
Download the file 250k_grids_Geodetic_7z.bin.
RENAME the downloaded file as 250k_grids_Geodetic.7z
Decompress this file with the free, open-source application 7-Zip, available from https://www.7-zip.org/.

If you have any difficulties, email geophysics@dmirs.wa.gov.au.