Three people with scuba equipment near ice hole
Three people with scuba equipment near ice hole
Three people with scuba equipment near ice hole
Two people with scuba equipment near ice hole
Two people with scuba equipment near ice hole
Two people with scuba equipment near ice hole
Two people with scuba equipment near ice hole
Three men with scuba equipment near ice hole
Three people operating pully over ice hole
Three people operating pully over ice hole
Two people operating pully over ice hole
Three people operating pully over ice hole
Person near control structure and gauge box
Probes near control structure
Snow-covered control structure
Woman sitting near streambed
Two people stand outside biology lab
Man adjusting control structure on stream
Four people fill sandbags near streambed
Boulder on top of melting lake ice
Lake Fryxell and Commonwealth glacier
Lake Fryxell and Commonwealth glacier
Water samples/probes in streambed
Person with sampling equipment near streambed