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Gypsum deposits in Colorado. (Bull. 223, U. S. G. S., p. 86.) 
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The delta of the Mississippi. (Jour. Geog., vol. 3, p. 204, May,^ 
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LOUDERBACK, GEO. D. 
Gypsum deposits in Nevada. (Bull. 223 U. S. G. S., p. 112.) 
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Geolog-y applied to mining-, or the practical use of geology in 
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Gypsum deposits in Ohio. (Bull. No. 223, U. S. G. S., p. 37.) 
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A reconnoissance in northern Alaska, across the Rocky moun- 
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POOR, CHAS. LANE. 
Record of the meetings of the New York Academy of Sciences, 
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Faulting in the Globe district. (Eng. Min. Jour., vol. 77, p. 802, 
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RANSOME, F. L. 
Geology of the Globe Copper District, Arizona. Prof. Pap., U. S. 
G. S., No. 12, pp. 168, 27 plates, 1903. 
The physical geography and geology of Connecticut. (Conn. Bd. 
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New habit of chalcopyrite. (Am. Jour. Sci., vol. 17, p. 425, June, 
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The clays of the United States east of the Mississippi river. 
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The variations of glaciers, ix. (Jour. Geol., vol. 12, pp. 252-264. 
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The proper scope of geological teaching in the high school an<l 
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