Actively moving sand area in blow-out
Actively moving sand area in blow-out
Active volcano Ubinas with ash covered foreground
Active volcano Ubinas with ash covered foreground
Active blow out dune, near Portreeve , Sask.
Active blow out dune, near Portreeve , Sask.
Ablation till with stratified material in lens - near Cadillac, Sask.
Ablation till with stratified material in lens - near Cadillac, Sask.
Abandoned strandlines
Abandoned strandlines
Abandoned strandline at 1725 foot contour of Basin Lake
Abandoned strandline at 1725 foot contour of Basin Lake
Abandoned strand line of Lake Bonneville, S. of Salt Lake City, Utah
Abandoned strand line of Lake Bonneville, S. of Salt Lake City, Utah
Abandoned strand line of Lake Bonneville, N. of Salt Lake City, Utah
Abandoned strand line of Lake Bonneville, N. of Salt Lake City, Utah
Abandoned glacier fall and moraines, Nudo Vilcanota
Abandoned glacier fall and moraines, Nudo Vilcanota
Abandoned cirque, remnant glaciers, glaciated valley, lateral moraines
Abandoned cirque, remnant glaciers, glaciated valley, lateral moraines
Abandoned boulder beach, southwest of Hveragerdi
Abandoned boulder beach, southwest of Hveragerdi
Abandoned beach platform and cliff-line
Abandoned beach platform and cliff-line
A trail and bluff in early spring
A simple alluvial fan
A simple alluvial fan
A peneplain with monadnocks
A peneplain with monadnocks
