Lake Magadi (məgä´dē), c.20 mi (30 km) long and 2 mi (3.2 km) wide, S Kenya, in the Great Rift Valley. Formed and constantly resupplied by volcanic springs, the lake has a thick crust of carbonate of soda. The crust is removed by a floating dredge and then pumped to refineries, where it is processed into soda ash (used in glassmaking).
"Magadi, Lake." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (April 22, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/magadi-lake
"Magadi, Lake." The Columbia Encyclopedia, 6th ed.. . Retrieved April 22, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/magadi-lake