DCHP-1 Online
Tyndall (lime)stone 
a kind of blue-gray limestone quarried near Garson, Manitoba and famous as a building stone for ornamental purposes since production began in 1896.
- 1926 One hundred and fifty thousand cubic feet of Tyndall stone will be used for facing the building. This stone is quarried and cut . . . at Tyndall, Manitoba.
- 1952 On the south shore of the lake, stand the Saskatchewan Legislative Buildings, constructed of Tyndall limestone and surrounded by landscaped gardens.
- 1958 The area is a centre for the production of limestone, known as Tyndall stone. . . .
- 1926 One hundred and fifty thousand cubic feet of Tyndall stone will be used for facing the building. This stone is quarried and cut . . . at Tyndall, Manitoba.