1978, barren ground Caribou, Alaska Caribou, Rangifer tarandus granti, Porcupine herd, Alaska wildlife, Alaska wildlife Oil, Arctic Alaska wildlife, Alaska wildlife North Slope, caribou moving past Prudhoe Bay gathering field pipeline, pipeline wildlife, gathering field pipeline, gathering field pipeline pollution, crude oil pipeline, burning off crude oil, Alaska crude oil burning, North Slope, Alaska, Alaska Caribou, Alaska, Rangifer tarandus, Alaska, Porcupine herd, Alaska Caribou Prudhoe Bay, Caribou oil field, Caribou North Slope Alaska, Alaska Arctic Oil drilling, Prudhoe Bay Alaska North Slope, ARCO oilfields, Arctic National Wildlife Refuge threat, oil Trans Alaska Pipeline, Trans-Alaska Pipeline, energy independence, fossil fuels, oil wells, Arctic drill rigs, Arctic oil wells, tundra, tundra pollution, Alaska, North Slope, Arctic Alaska, Arctic tundra, tundra, Alaska North Slope, Prudhoe Bay, Alaska Prudhoe Bay, Alaskan Arctic, Alaska environment, Alaska wilderness, Arctic weather, extreme working conditions, difficult working conditions, Arctic work conditions, extreme climate, tough jobs, hard work, men's work, extreme conditions, Arctic conditions, Oil drilling, ARCO oilfields, Arctic National Wildlife Refuge, energy sources, extractive energy, oil exploration, geophysical exploration, Arctic oil operations, energy shortage, ANWR, environmental issues, energy, petroleum, petroleum industry, oil industry, copyspace, copyspace, horizontal copy space, horizontal copyspace, horizontal