... Report on the building and ornamental stones of Canada, vol. I-V (1912)
Parks, W. A. (William Arthur), 1868-1936, Canada. Mines Branch · Ottawa : Government printing bureau · leaf 274
factor 4- An analysis by F. G. Wait shows:— Ferrous oxide, per cent 0-27 Ferric oxide, per cent 0-41 Sulphur, per cent 0-11 As this stone and the one from Logans quarry are the only Medina stonesexamined in detail, it is interesting to compare the physical tests of the twotypes, particularly as, to… … -0
Building stones
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