boundaryID ATA-ADM0-3_0_0-G18
boundaryISO ATA
boundaryYear 2020.0
boundaryType ADM0
boundarySource-1 "Natural Earth"
boundarySource-2 
boundaryLicense "Public Domain"
licenseDetail 
licenseSource https://www.naturalearthdata.com/about/terms-of-use/
boundarySourceURL https://www.naturalearthdata.com/downloads/10m-physical-vectors/10m-antarctic-ice-shelves/
boundaryUpdate 2020-05-25
downloadURL https://geoboundaries.org/data/geoBoundaries-3_0_0/ATA/ADM0/geoBoundaries-3_0_0-ATA-ADM0-all.zip