J9 Drill Hole Temperatures 1974 Data Source: John H. Rand 100-meter ice cores from the South Pole and the Ross Ice Shelf Antarctic Journal of the United States, 1975 Volume 10, Number 4, p.150-151 Depth Temperature ################################################################## 5 -28.86 10 -27.94 15 -26.90 20 -26.78 25 -26.55 30 -26.33 40 -25.86 50 -25.42 60 -24.99 70 -24.56 75 -24.13 80 -24.13 90 -23.69 100 -23.31