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This image is part of the return trip sequence of aerial images obtained on the helicopter flight leaving the Klutlan Glacier study site. On the return leg at the end of the day, the flight initially went upvalley to pick up another party.

This image is part of the return trip sequence of aerial images obtained on the helicopter flight leaving the Klutlan Glacier study site. On the return leg at the end of the day, the flight initially went upvalley to pick up another party.

This image is part of the return trip sequence of aerial images obtained on the helicopter flight leaving the Klutlan Glacier study site. On the return leg at the end of the day, the flight initially went upvalley to pick up another party. This image was taken after the helicopter turned north to return to base camp.

This image is part of the return trip sequence of aerial images obtained on the helicopter flight leaving the Klutlan Glacier study site. On the return leg at the end of the day, the flight initially went upvalley to pick up another party. This image was taken after the helicopter turned north to return to base camp.

This image is part of the return trip sequence of aerial images obtained on the helicopter flight leaving the Klutlan Glacier study site. On the return leg at the end of the day, the flight initially went upvalley to pick up another party. This image was taken after the helicopter turned north to return to base camp.

This image is part of the outbound sequence of aerial images obtained on the helicopter flight to the Klutlan Glacier study site. The sequence starts from the base camp at the White River crossing on the Alaska Highway and heads south, to a point just upvalley of the debris-covered terminus (approx. 10-15 km from Alaska border), and turning back north to the landing spot on the Generc River floodplain close to the study site (see Fig. 1 in paper).

This image is part of the outbound sequence of aerial images obtained on the helicopter flight to the Klutlan Glacier study site. The sequence starts from the base camp at the White River crossing on the Alaska Highway and heads south, to a point just upvalley of the debris-covered terminus (approx. 10-15 km from Alaska border), and turning back north to the landing spot on the Generc River floodplain close to the study site (see Fig. 1 in paper).

This image is part of the outbound sequence of aerial images obtained on the helicopter flight to the Klutlan Glacier study site. The sequence starts from the base camp at the White River crossing on the Alaska Highway and heads south, to a point just upvalley of the debris-covered terminus (approx. 10-15 km from Alaska border), and turning back north to the landing spot on the Generc River floodplain close to the study site (see Fig. 1 in paper).

This image is part of the outbound sequence of aerial images obtained on the helicopter flight to the Klutlan Glacier study site. The sequence starts from the base camp at the White River crossing on the Alaska Highway and heads south, to a point just upvalley of the debris-covered terminus (approx. 10-15 km from Alaska border), and turning back north to the landing spot on the Generc River floodplain close to the study site (see Fig. 1 in paper).

This image is part of the outbound sequence of aerial images obtained on the helicopter flight to the Klutlan Glacier study site. The sequence starts from the base camp at the White River crossing on the Alaska Highway and heads south, to a point just upvalley of the debris-covered terminus (approx. 10-15 km from Alaska border), and turning back north to the landing spot on the Generc River floodplain close to the study site (see Fig. 1 in paper).

This image is part of the outbound sequence of aerial images obtained on the helicopter flight to the Klutlan Glacier study site. The sequence starts from the base camp at the White River crossing on the Alaska Highway and heads south, to a point just upvalley of the debris-covered terminus (approx. 10-15 km from Alaska border), and turning back north to the landing spot on the Generc River floodplain close to the study site (see Fig. 1 in paper).

This image is part of the return trip sequence of aerial images obtained on the helicopter flight leaving the Klutlan Glacier study site. On the return leg at the end of the day, the flight initially went upvalley to pick up another party.

This image is part of the return trip sequence of aerial images obtained on the helicopter flight leaving the Klutlan Glacier study site. On the return leg at the end of the day, the flight initially went upvalley to pick up another party.

This image is part of the return trip sequence of aerial images obtained on the helicopter flight leaving the Klutlan Glacier study site. On the return leg at the end of the day, the flight initially went upvalley to pick up another party. This image was taken after the helicopter turned north to return to base camp.

This image is part of the return trip sequence of aerial images obtained on the helicopter flight leaving the Klutlan Glacier study site. On the return leg at the end of the day, the flight initially went upvalley to pick up another party. This image was taken after the helicopter turned north to return to base camp.

This image is part of the return trip sequence of aerial images obtained on the helicopter flight leaving the Klutlan Glacier study site. On the return leg at the end of the day, the flight initially went upvalley to pick up another party. This image was taken after the helicopter turned north to return to base camp.

This image is part of the return trip sequence of aerial images obtained on the helicopter flight leaving the Klutlan Glacier study site. On the return leg at the end of the day, the flight initially went upvalley to pick up another party. This image was taken after the helicopter turned north to return to base camp.

This image is part of the outbound sequence of aerial images obtained on the helicopter flight to the Klutlan Glacier study site. The sequence starts from the base camp at the White River crossing on the Alaska Highway and heads south, to a point just upvalley of the debris-covered terminus (approx. 10-15 km from Alaska border), and turning back north to the landing spot on the Generc River floodplain close to the study site (see Fig. 1 in paper).

This image is part of the outbound sequence of aerial images obtained on the helicopter flight to the Klutlan Glacier study site. The sequence starts from the base camp at the White River crossing on the Alaska Highway and heads south, to a point just upvalley of the debris-covered terminus (approx. 10-15 km from Alaska border), and turning back north to the landing spot on the Generc River floodplain close to the study site (see Fig. 1 in paper).

This image is part of the outbound sequence of aerial images obtained on the helicopter flight to the Klutlan Glacier study site. The sequence starts from the base camp at the White River crossing on the Alaska Highway and heads south, to a point just upvalley of the debris-covered terminus (approx. 10-15 km from Alaska border), and turning back north to the landing spot on the Generc River floodplain close to the study site (see Fig. 1 in paper).

This image is part of the outbound sequence of aerial images obtained on the helicopter flight to the Klutlan Glacier study site. The sequence starts from the base camp at the White River crossing on the Alaska Highway and heads south, to a point just upvalley of the debris-covered terminus (approx. 10-15 km from Alaska border), and turning back north to the landing spot on the Generc River floodplain close to the study site (see Fig. 1 in paper).

This image is part of the return trip sequence of aerial images obtained on the helicopter flight leaving the Klutlan Glacier study site. On the return leg at the end of the day, the flight initially went upvalley to pick up another party.

This image is part of the return trip sequence of aerial images obtained on the helicopter flight leaving the Klutlan Glacier study site. On the return leg at the end of the day, the flight initially went upvalley to pick up another party. This image was taken after the helicopter turned north to return to base camp.

This image is part of the return trip sequence of aerial images obtained on the helicopter flight leaving the Klutlan Glacier study site. On the return leg at the end of the day, the flight initially went upvalley to pick up another party. This image was taken after the helicopter turned north to return to base camp.

This image is part of the return trip sequence of aerial images obtained on the helicopter flight leaving the Klutlan Glacier study site. On the return leg at the end of the day, the flight initially went upvalley to pick up another party. This image was taken after the helicopter turned north to return to base camp.

This image is part of the outbound sequence of aerial images obtained on the helicopter flight to the Klutlan Glacier study site. The sequence starts from the base camp at the White River crossing on the Alaska Highway and heads south, to a point just upvalley of the debris-covered terminus (approx. 10-15 km from Alaska border), and turning back north to the landing spot on the Generc River floodplain close to the study site (see Fig. 1 in paper).

For July 1-7, 2009, Dr. Paul Sanborn did the first soils field research at the Fort Selkirk volcanic field in central Yukon, with helicopter support and funding from the Yukon Geological Survey.

Initial findings were published in the 2009 edition of Yukon Exploration and Geology, but this paper did not include most of the laboratory data:
Sanborn, P., 2010. Soil reconnaissance of the Fort Selkirk volcanic field, Yukon (115I/13 and 14). In: Yukon Exploration and Geology 2009, K.E. MacFarlane, L.H. Weston and L.R. Blackburn (eds.), Yukon Geological Survey, Whitehorse, Yukon. pp. 293-304. https://emrlibrary.gov.yk.ca/ygs/yeg/2009/2009_p293-304.pdf [Note that in Fig. 1, the labels for Camp 1 and Camp 2 on map are transposed; Camp 1 should be to the east of Camp 2.]