Snow build-up around Weatherhaven tent, Ickes Mountains, Marie Byrd Land, 1991
Deep snow accumulation over a period of a few days at Demas Range field camp, Marie Byrd Land, 1991
Lichen umbilicaria growing along a crevice in rock at nunatak: Edward VII Peninsula Marie Byrd Land
Lichen, Marie Byrd Land
Lichens- Marie Byrd Land
Sampling Rocks
Lichen found on Rock at Marie Byrd Land
Lichen- Marie Byrd Land
Lichen from Marie Byrd Land
Moss from Marie Byrd Land
Lichen found at Marie Byrd Land
Marie Byrd Land coastline
Small icebergs off Bear Peninsula, Marie Byrd Land
Marie Byrd Land
Geologists at work
Cape Colbeck from the air
