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Image of Comparison of wheel rut with boot imprint to indicate strength of runway

Comparison of wheel rut with boot imprint to indicate strength of runway

Image of Effect of grading by tractor leveling high uneven areas on runway, Polaris Promo

Effect of grading by tractor leveling high uneven areas on runway, Polaris Promo

Image of Lt. Col. Wiener USAF Arctic Advisor, and Dr. Weidick, Govt. of Denmark observer

Lt. Col. Wiener USAF Arctic Advisor, and Dr. Weidick, Govt. of Denmark observer

Image of C-130 ruts after test landing. Ruts are at a minimum. Polaris Promontory

C-130 ruts after test landing. Ruts are at a minimum. Polaris Promontory

Image of Rutting on airstrip after C-130 test-landing on site at Polaris Promontory.

Rutting on airstrip after C-130 test-landing on site at Polaris Promontory.

Image of Smoothing out rough spots on surface of runway at Polaris Promontory.

Smoothing out rough spots on surface of runway at Polaris Promontory.

Image of C-130 aircraft flying over runway at Polaris Promontory prior to test landings.

C-130 aircraft flying over runway at Polaris Promontory prior to test landings.

Image of Air crew of C-130 which made landing on runway at Polaris Promontory.

Air crew of C-130 which made landing on runway at Polaris Promontory.

Image of Helicopter from USCG Westwind stands by to cover test landing of Aircraft C-130

Helicopter from USCG Westwind stands by to cover test landing of Aircraft C-130

Image of Air Force C-130 flies low over Polaris Promontory for test landing on runway.

Air Force C-130 flies low over Polaris Promontory for test landing on runway.

Image of Melted elliptical shape snow mound in snow cover of delta at Centrum Lake.

Melted elliptical shape snow mound in snow cover of delta at Centrum Lake.

Proposed runway on the delta at Centrum Lake.

Image of Aertial view of Centrum Lake airstrip on delta.

Aertial view of Centrum Lake airstrip on delta.

Image of Air view of Centrum Lake Base Camp toward the north. Note thawed Saefaxi River,

Air view of Centrum Lake Base Camp toward the north. Note thawed Saefaxi River,

Image of Airstrip at Centrum Lake seen through helicopter window. Ice cover

Airstrip at Centrum Lake seen through helicopter window. Ice cover

Image of Closer view of airstrip at Centrum Lake through window of helicopter. Ice cover

Closer view of airstrip at Centrum Lake through window of helicopter. Ice cover

Base camp at Centrum Lake from the flood plain. View west

Image of View of small snow mounds along centerline of runway on delta at Centrum Lake.

View of small snow mounds along centerline of runway on delta at Centrum Lake.

Image of Wooden drag weighted with 5 gal cans of water and rock to grade runway

Wooden drag weighted with 5 gal cans of water and rock to grade runway

Image of Test pit in runway at Centrum Lake. Permafrost 36" deep. Melt water in bottom

Test pit in runway at Centrum Lake. Permafrost 36" deep. Melt water in bottom

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