A geologist studies ancient volcanic ash through a microscope
by Maria Stenzel
A geologist studies ancient volcanic ash through a microscope
by Maria Stenzel
A paleontologist brushes a patch of ground
by Maria Stenzel
A paleontologist brushes a patch of ground
by Maria Stenzel
A scientist working in the field hauls his sledge across Lake Hoare
by Maria Stenzel
A scientist working in the field hauls his sledge across Lake Hoare
by Maria Stenzel
Archaeologist Michael Smyth eases down a log shield
by Kenneth Garrett
Archaeologist Michael Smyth eases down a log shield
by Kenneth Garrett
Archaeologist studying Maya ruins in a Guatemalan forest
by Kenneth Garrett
Archaeologist studying Maya ruins in a Guatemalan forest
by Kenneth Garrett
Archaeologist William Saturno repositions a large piece of mural
by Kenneth Garrett
Archaeologist William Saturno repositions a large piece of mural
by Kenneth Garrett
Archaeologists look up at a mural painting illuminated by flashlights
by Kenneth Garrett
Archaeologists look up at a mural painting illuminated by flashlights
by Kenneth Garrett
David Stuart and William Saturno look for small pieces of mural
by Kenneth Garrett
David Stuart and William Saturno look for small pieces of mural
by Kenneth Garrett
Salmon purse seiner fishing boat
by Rich Reid
Salmon purse seiner fishing boat
by Rich Reid
Scientists measure snow and ice thickness on the frozen sea
by Maria Stenzel
