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Jan 1, 1953

Jan 1, 1935

Jan 1, 1935

Jan 1, 1935

Jan 1, 1935

There are no certain records available of coal shipments or production in Alabama before 1874, and the tonnages shown in Table 60 are estimated from dates of shipment, number of boats and similar data. They are not accurate but probably too low. There were no canals and all shipments were by river or rail, excepting the small tonnage hauled by wagons. [ ]

Jan 1, 1942

Jan 1, 1895

(Members are urged to send in for this column any notes of interest concerning themselves or their fellow-members.) The following members have registered recently at the Headquarters of the Institute Seeley W. Mudd, Los Angeles, Cal. Charles Janin, San Francisco, Cal. Edgar Rickard, London, England. Donnel F. Hewett, Washington, D. C. L. Maurice Cockerell, Chihuahua, Mexico.

Jan 4, 1913

Jan 1, 1894

Conservation and Survey Division, University of Nebraska, Lincoln, Nebr. G. E Condra, State Geologist. Publications in geology of tlie Conservation and Survey Division are as follows: No 1, Stratigraphy of the Pennsylvanian System in Nebraska, by G. E Condra, 75 cents; 3, Correlation of tlie Pennsyl-

Jan 1, 1933

Jan 1, 1929

Jan 1, 1935

Jan 1, 1949

By Harrison Schmitt

An eloquent plea for clear and objective thinking when, with a war behind us and the possibility of future conflicts looming large, we must re- evaluate our mineral position with an eye to defense.

Jan 4, 1950

By Bleeker L. Wheeler

Potential, not past earnings form the basis of valuation. Markets, taxes, transportation and numerous other factors are also of prime importance.

Jan 7, 1951

[OH. O'C. Acker '86 Jinzoc Adachi '88 *Truman H. Aldrich '78 Walter H. Aldridge '89 *Anson W. Allen '87 *John H. Allen '84 *Thomas Andrews '94 *William R. Appleby'90 *W. Lawrence Austin '82 . S. Ayres'73]

Jan 1, 1946

Jan 1, 1927

By R. S. Wagner, W. G. Pfann

METHODS that have been used to measure stress relaxation in metals and plastics have been reviewed recently by G. R. Gohn and A. FOX.' The ideal stress relaxation test comprises placing a sample under a constant strain (usually considered

Jan 1, 1962

By W. P. Haynes

DuRing 1939. there were no discoveries of oil and gas in Rumania worthy of mention. and the only important extension was the anticipated

Jan 1, 1940

Jan 1, 1945