Derby shire
Nuttall's Standard Dictionary of the English Language · 1890 · p. 56
spar, der'-be - sher spar, s. fluor spar, or fluorid of calcium, found in Derby shire.
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Adair's New Encyclopedia (1923)
Nuttall Encyclopedia (1907)
The Treasury of Languages (1866)
Dictionary of Science, Literature and Art (1854)
Dictionary of Science, Literature and Art (1842)
Mann, MATTHEW
—
Chandler's Encyclopedia (1898)
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