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19 Results for TRONA

19 results for TRONA from older pre-Shortz puzzles.

Wednesday, September 30, 199213DMineral from dried lake basinsJoy L. WoukMaleska
Sunday, July 2, 198997DMineral found in dried lake basinsErnst TheimerMaleska
Friday, January 27, 198919DGray-white mineralBernice GordonMaleska
Tuesday, March 31, 198717AGrayish-white mineralEvelyn BenshoofMaleska
Saturday, February 8, 198618DVitreous mineralSandra BurlingameMaleska
Friday, February 8, 198559AType of sodium carbonateIrene SmullyanMaleska
Friday, August 3, 198425AMineral containing sodium carbonateWilliam LutwiniakMaleska
Wednesday, December 2, 198129DSodium carbonateBernice GordonMaleska
Saturday, April 25, 198131DA sodium carbonateWilliam LutwiniakMaleska
Wednesday, November 30, 197725AGray mineralLouis BaronMaleska
Monday, November 7, 19776DGray-white mineralJamesMaleska
Thursday, January 20, 197715AMineral from lake bedsTap OsbornWeng
Wednesday, January 17, 197356ALake-bed depositUnknownWeng
Monday, November 20, 197218ASoda-brine materialUnknownWeng
Tuesday, May 23, 197219DMineral found in lake bedsUnknownWeng
Monday, November 1, 197158AMineral found in lake bedsUnknownWeng
Tuesday, February 16, 197133ASalty deposit in lake basinsUnknownWeng
Saturday, November 8, 196915DWhitish mineral.UnknownWeng
Sunday, October 22, 196737DMineral akin to natron.William A. Lewis, Jr.Farrar