GSNI Regional Airborne Magnetics Survey 1959 (Metadata)

These data are the 1959-60 airborne magnetic survey of Northern Ireland carried out by Canadian Aero Service Ltd. for the Government of Northern Ireland as part of a UK-wide programme. The survey was flown on N-S flight lines with 2km spacing; E-W tie lines at 2km spacing; 305m terrain clearance except in areas of sharp relief.