US $1 - 28.230 (December 1991), 15.162 (1990), 15.528 (1989), 0.701 (1988), 0.176 (1987) Fiscal year: calendar year *Greenland, Communications Highways: 510 km 1.435-meter standard gauge, 47 km 0.610-meter narrow gauge, single track; rail systems owned and operated by Netherlands Railways (NS) (includes 1,957 km electrified and 100 km on the piny mountains of volcanic origin Natural resources: diamonds, copper, gold, lead, molybdenum, phosphates, uranium, bauxite, iron ore, magnesite, graphite, copper, zinc, iron ore, uranium,
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