Changes

'''Salt flats''' are undrained areas in closed basins in arid regions. In these areas, 10 to 75 cm (4 to 30 in) of crystalline salt overlie stratified, very strongly saline sediment. The water table may be within 20 cm (8 in) of the surface at some period during the year.  

'''Salt flats''' are undrained areas in closed basins in arid regions. In these areas, 10 to 75 cm (4 to 30 in) of crystalline salt overlie stratified, very strongly saline sediment. The water table may be within 20 cm (8 in) of the surface at some period during the year.  

==References==  

==References==  

[http://www.nrcs.usda.gov/technical/NRI/1997/summary_report/glossary.html List of USDA terminology] <br>{{USDA Terms}}

[http://www.nrcs.usda.gov/technical/NRI/1997/summary_report/glossary.html List of USDA terminology] <br>