The Chipmunk Drill is a hand-held, motor driven coring drill that collects 41 mm (1.6-inch) diameter cores in solid ice. It has two barrels, one 15 cm long and one 50 cm long. Credit: Chris Gibson
A scientist uses the Chipmunk Drill at Pakitsoq, West Greenland, in 2004 to recover samples of ice. Credit: Ed Brook