The design and application of a thermal ice drill. Home> Scientific research> Publications> Other> The design and application of a thermal ice drill. Summary Authors:Bird I.G. Ballantyne J. Published in: 1971 Category 3: Article Program area: Glaciology Bird I.G., Ballantyne J. (1971) The design and application of a thermal ice drill, Antarctic Division Technical Note 3. 25 pp.; This content was last updated 8 months ago on 20 February 2026.