(37) http://en.wikipedia.org/wiki/File:Sand_dune_formation.png. GNU-FDL.
(38) http://en.wikipedia.org/wiki/File:
Morocco_Africa_Flickr_Rosino_December_2005_84514010.jpg. GNU-FDL.
(39) http://en.wikipedia.org/wiki/File:Loessreef.jpg. GNU-FDL.
(40) http://en.wikipedia.org/wiki/File:Arranque_glaciar-en.svg. CC-BY-SA.
(41) http://en.wikipedia.org/wiki/File:Bradley_1930_dreikanter.jpg. GNU-FDL.
(42) http://en.wikipedia.org/wiki/File:
Padre_Island_NationalSeashore-_sand_dunes3.jpg. GNU-FDL.
(43) Julie Sandeen.. CC-BY-SA.
(44) http://en.wikipedia.org/wiki/File:Alluvial_fn_in_Iran.jpg. GNU-FDL.
(45) http://en.wikipedia.org/wiki/File:Esker_(PSF).png. CC-BY-SA.
(46) http://en.wikipedia.org/wiki/File:Durdledoor.jpg. GNU-FDL.
(47) http://en.wikipedia.org/wiki/File:Ocean_surface_waves.jpg. GNU-FDL.
(48) http://en.wikipedia.org/wiki/File:Meander.jpg. GNU-FDL.
(49) http://en.wikipedia.org/wiki/File:Slide-guerrero1.jpg. CC-BY-SA.
(50) http://en.wikipedia.org/wiki/File:WOAHdubs.jpg. GNU-FDL.
(51) http://en.wikipedia.org/wiki/File:Sandstorm.jpg. GNU-FDL.
(52) http://en.wikipedia.org/wiki/File:
Wavecut_platform_southerndown_pano.jpg. GNU-FDL.
(53) http://en.wikipedia.org/wiki/File:Dorset,stack(small).jpg. GNU-FDL.
(54) http://en.wikipedia.org/wiki/File:53sitges.jpg. GNU-FDL.
(55) http://en.wikipedia.org/wiki/File:Saltation-mechanics.gif. GNU-FDL.