Title taken from caption. Caption reads: "Slumped polygonal frost cracks in the frozen silt, turf-mantled coastal plain along the Arctic coast in the vicinity of the 141st meridan. The deepest slumps are along systems of frost cracks that drain out...
Title taken from caption. Caption reads: "Slumped polygonal frost cracks in the frozen silt, turf-mantled coastal plain along the Arctic coast in the vicinity of the 141st meridan. The deepest slumps are along systems of frost cracks that drain out...
Title taken from caption. Caption reads in its entirety: "Undermined and caved down blocks of frozen silt banks of Old Crow River in the upper part of its central basin, about 40 miles below the crossing of 141st meridian. June 16, 1911."
Title taken from caption. Caption reads in its entirety: "Other caved down blocks and frozen silt banks of Old Crow River in the central part of its basin. June 16, 1911."
The image appears to be identical to uaa-hmc-0166-b1-43-186. The caption on that photograph reads: "Recently caved down portion of frozen silt bank, lower Porcupine River in Yukon Flats basin. Showing character of average growth of spruce,...
Title taken from caption. The caption reads in its entirety: "Recently caved down portion of frozen silt bank, lower Porcupine River in Yukon Flats basin. Showing character of average growth of spruce, September 3, 1911."
Title taken from caption. Caption reads in its entirety: "Undermined and caved down blocks of frozen silt banks of Old Crow River in the upper part of its central basin, about 40 miles below the crossing of 141st meridian. June 16, 1911."
Title taken from caption. Caption reads in its entirety: "Undermined and caved down blocks of frozen silt banks of Old Crow River in the upper part of its central basin, about 40 miles below the crossing of 141st meridian. June 16, 1911."
Image appears identical to uaa-hmc-0166-b1-3-1-3. Caption for that image reads: "Undermined and caved down blocks of frozen silt banks of Old Crow River in the upper part of its central basin, about 40 miles below the crossing of 141st meridian....
Image appears identical to uaa-hmc-0166-b1-1-1-2. Caption for that image reads in its entirety: "Undermined and caved down blocks of frozen silt banks of Old Crow River in the upper part of its central basin, about 40 miles below the crossing of...
Title taken from caption. Caption reads: "Slumped polygonal frost cracks in the frozen silt, turf-mantled coastal plain along the Arctic coast in the vicinity of the 141st meridan. The deepest slumps are along systems of frost cracks that drain out...
Title taken from caption. Caption reads: "Slumped polygonal frost cracks in the frozen silt, turf-mantled coastal plain along the Arctic coast in the vicinity of the 141st meridan. The deepest slumps are along systems of frost cracks that drain out...
Title from verso. Verso reads: "A bed of fine gravel and silt goes on the upstream side of the Moose Creek Dam foundation." Verso also stamped with U.S. Army Corps of Engineers logo and the date Sept. 1974. Image shows a dump truck...
(4:58 min.) (08 of 09)
Learning to pilot
Mississippi River; compartments; silt; pilot from Tanana -- Bingo; Fort Yukon; young people; working on river; training vs. trial and error; blueprints; college; getting stuck on the river -- lessons learned
Title taken from notes provided by Peter Haase, September 22, 2004. "Looking down the McKinley River. The water is gray in color and full of silt (you can't see your finger 1/2 inch below the water's surface)."
Title taken from caption. Caption reads in its entirety: "Beach along Arctic shore 1/2 mile west from mouth of Clarence River. Taken from the top of a frozen silt bank 20 feet high that marks the upper limit of narrow beach. This bank has drift...
Title taken from caption. Caption reads in its entirety: "Another view of camp on the Arctic beach. Shows general character and width of beach bounded by frozen silt and turf bank 20 feet high. July 31, 1912." The other view referenced in this...
Image appears identical to uaa-hmc-0166-b1-79-7-2. Caption on that image reads: "Another view of camp on the Arctic beach. Shows general character and width of beach bounded by frozen silt and turf bank 20 feet high. July 31, 1912." The other view...
Title taken from caption. Caption reads in its entirety: "Beach along Arctic shore 1/2 mile west from mouth of Clarence River. Taken from the top of a frozen silt bank 20 feet high that marks the upper limit of narrow beach. This bank has drift...