(16) http://en.wikipedia.org/wiki/File:Matterhornnorth.jpg. GNU-FDL.
(17) http://en.wikipedia.org/wiki/File:Yellowstone_p1100309_rotated.jpg.
GNU-FDL.
(18) http://en.wikipedia.org/wiki/File:Iceberg_Cirque.jpg. CC-BY-SA.
(19) http://en.wikipedia.org/wiki/File:Stone_Retaining_wall.jpg. CC-BY-SA.
(20) http://en.wikipedia.org/wiki/File:Yamnuska_bottom_cliff.jpg. CC-BY-SA.
(21) http://en.wikipedia.org/wiki/File:
Kettle-glacial-lake-form-isunngua-greenland.jpg. CC-BY-SA.
(22) http://en.wikipedia.org/wiki/File:Striding_Edge.jpg. CC-BY-SA.
(23) http://en.wikipedia.org/wiki/File:
Glacier_NationalPark-_Many_Glacier_from_Red_Rock.jpg. CC-BY-SA.
(24) http://en.wikipedia.org/wiki/File:Lituya_Bay_overview.jpg. CC-BY-SA.
(25) http://en.wikipedia.org/wiki/File:B6kull.jpg. CC-BY-SA.
(26) http://en.wikipedia.org/wiki/File:RiverExitTolantongo.jpg. GNU-FDL.
(27) http://en.wikipedia.org/wiki/File:Debris_flow_scars.jpg. CC-BY-SA.
(28) http://en.wikipedia.org/wiki/File:DryForkDome.jpg. GNU-FDL.
(29) http://en.wikipedia.org/wiki/File:Teuchl_stream.jpg. GNU-FDL.
(30) http://en.wikipedia.org/wiki/File:Skawa_River,_Poland,_flood_2001.jpg.
GNU-FDL.
(31) http://en.wikipedia.org/wiki/File:Giebichenstein.jpg. CC-BY-SA.
(32) http://en.wikipedia.org/wiki/File:Grinnell_Glacier_1981.jpg,
http://en.wikipedia.org/wiki/File:Grinnell_Glacier_1998.jpg,
http://en.wikipedia.org/wiki/File:Grinnell_Glacier_2005.jpg. Public
Domain.
(33) http://en.wikipedia.org/wiki/File:Desert_Pavement_Mojave_2000.jpg.
GNU-FDL.
(34) http://en.wikipedia.org/wiki/File:Newspaper_rock.jpg. GNU-FDL.
(35) http://en.wikipedia.org/wiki/File:Barchan.jpg. GNU-FDL.
(36) http://en.wikipedia.org/wiki/File:Lawine.jpg. CC-BY-SA.
