Svalbard, first season 1980s Ten trays from thirty-eight field seasons: every tray a full set of slides, first frame to last.
Svalbard, first season 1980s 
Iceland, the black sand years 1980s 
Atacama, salt and altitude 1980s 
Greenland, the ice front 1990s 
Utah, reading the layers 1990s 
Patagonia, wind and water 1990s 
Antarctica, the long light 2000s 
Faroe, cliffs in the fog 2000s 
Assynt, the old rocks Since 2010 
The kitchen table, scanning it all Since 2010