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Jan 1, 1944

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Jan 1, 1938

Jan 1, 1918

Jan 1, 1953

Jan 1, 1946

[University of Alabama University, Alabama Mining and Metallurgical Society (Inactive) University of Arizona Tucson, Arizona Miners' Society ROBERT HIGH, President RICHARD FLAGG, Secretary J. B. CUNNINGHAM, Faculty Sponsor Birmingham-Southern College Birmingham, Alabama Geology Journal Club (Inactive)]

Jan 1, 1946

YEAR OF ELECTION 1913 FRANK DAWSON ADAMS Montreal, Canada, 1921. WILLIAM CUTHBERT BLACKETT Sacriston, Durham, England 1923 GELASIO CAETANI Rome, Italy 1920 HENRY STURGIS DRINKER Merlon Station, Pa 1921. FERDINAND FOCH Paris, France 1922. FEDERICO GIOLITTI Torino, Italy 1906. SIR ROBERT A. HADFIELD London, England 1921. FRANK WILLIAM HARBORD London, England 1917. HERBERT HOOVER Washington, D C 1905. HENRI LECHATELIER Paris, France 1921. C MCDERMID London, England 1913 EZEQUIEL ORDONEZ Mexico City, Mexico 1909. ALEXANDRE POURCEL Paris, France

Jan 1, 1923

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Jan 1, 1938

Jan 1, 1941

Jan 1, 1943

By John D. Clark

ONE'S lifetime does not usually offer the opportunity to observe and be a part of the commercial development of an entirely new material. Petalite has been known for over a century, but at first it was presumed rare. However, it was found to be so abundant that it has become a new and extremely useful industrial tool.

Jan 10, 1950

By P. W. Harben

Jan 1, 1985

[Trans. No. Place Date Vol. Page 1. Wilkes-Barre, Pa.*.. *May: '71.. 1 3 2. Bethlehem, Pa Aug. '71.. 1 10 3. Troy, N. I X Nov. '71.. 1 13 4. Philadelphia, Pa Feb. '72.. 1 17 5. New York, N. Y.*.... May, '72.. 1 20 6. Pittsburgh, Pa Oct., '72.. 1 . 25 7. Boston, Mass Feb., '73 1 28 8. Philadelphia, Pa.*.... May, '73 2 3 9. Easton, Pa Oct., '73 2 7 10. New York, N. Y Feb., '74.. 2 11] [ ]

Jan 1, 1925

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Jan 1, 1912

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Jan 1, 1942