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Jan 1, 1970

Map

Jan 1, 1938

Jan 1, 1911

Jan 1, 1935

Jan 1, 1942

STANDING COMMITTEES Executive-A. R. LEDOUX, chairman. Membership-GEORGE C. STONE, chairman. Finance-J. V. N. DORR, chairman. Library-E. GYBBON SPILSBURY, chairman. Papers and Publications-BRADLEY STOUGHTON, chairman. Nominations-POPE YEATMAN, chairman.

Jan 6, 1919

SINCE I have begun to tell you of the semiminerals that serve as colors, I wish to tell you of azure and green azure, so that you may know what they are. I tell you first that there are two kinds of azure, one called ultramarine blue by painters, and the other German blue. Ultra-

Jan 1, 1942

MINING METHODS W. J. COULTER, Chairman P. B. BUCKY, Vice-Chairman CLYDE E. WEED, Vice-Chairman ROBERT S. PALMER, Secretary Alluvial Mining CLINTON BERNARD O. B. FERRY NORMAN CLEAVELAND C. M. ROMANOWITZ R. B. EARLING J. B. STAPLER BENERE H. GRANTCHARLES THURMAN

Jan 1, 1944

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Jan 1, 1938

Jan 1, 1964

The Second Annual Safety First Dinner to the Liberty Bell Mine Crew was held on Apr. 7, 1916, in recognition of the second year without fatal accident and with few serious accidents. The address of the evening was given by the Rev. Edward Burns Martin, on "Safety and Citizenship," and was followed by informal talks on safety, health and citizenship.

Jan 6, 1916

Jan 1, 1966

Jan 1, 1910

Jan 1, 1953

By W. C. Coons, E. H. Rennhack, R. A. Perkins

THE constitution of Ti-N alloys containing up to 17.5 wt pct N has been investigated by Palty, Margolin, and Nielsen.1 Their results, which confirmed earlier work

Jan 1, 1969

By Edward Steidle

OUR citizenry must comprehend the cold, fundamental, economic truth that the ability to create wealth depends upon primary wealth; that only primary wealth can insure our economy, liquidation of our debts, national solvency, national security. And irreplaceable minerals furnish a major part of all primary wealth.

Jan 7, 1950

Jan 1, 1917

Jan 1, 1887

By M. M. Fidlar, Ralph E. Esarey

Conditions in the oil and gas industry in Indiana were somewhat better in 1936 than in the previous year, owing in large part to increased

Jan 1, 1937