Description: Photographs of oil exploration, field camps, and construction of the Haul Road (Dalton Highway) and Trans-Alaska Pipeline. Project: Dalton Highway R&M Field Camp Trucks and Trailers Field Camp Field Camp on the Tolovana River Support Helicopters Helicopter in Camp TAPS Project Camp Burgess Construction Camp Construction Camp in the Fall Test Site Geotech Exploration Geotech Equipment Taking Ground Temperature At Geotech Drill Site Hess Creek Hess Creek Crossing Hess Creek valley Lost Creek Crossing Hess Creek Bridge Frozen Cut Bank Thawing Cut Bank Permafrost Slope Yukon River Crossing Geotech at Yukon River Crossing Yukon River Ice Crossing Ground Temperature at the Yukon River Geotech of Haul Road Route Exploring Haul Road Route