North Temperate Lakes LTER field staff drilling a hole through ice on Madison area lakes showing lack of snow cover and open water area in background, February 2003.

Post date:
Apr 22, 2003
North Temperate Lakes LTER field staff drilling a hole on a Madison area lake

North Temperate Lakes LTER field staff drilling a hole through ice on Madison area lakes showing lack of snow cover and open water area in background, February 2003.

From: 
LTER sampling reveals unusual winter lake-ice conditions