Xll 



BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Parts of Volume 23 



Pages. Plates. Figures. 



Number 1 1-154 1-10 1 



Number 2 155-316 11-14 19 



Number 3 317-470 15-22 8 



Number 4* 471-758 23-43 16 



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Reprints from Volume 23 



Reprints. Pages. Plates. Figures 



Proceed inofs of the Twenty-fourth 

 Annual Meeting of the Geological 

 Society of America, held at Wash- 

 ington, D. C, December 27, 28, 

 29, and 30, 1911. E. 0. Hovey, 

 Secretary 1-68 1-6 



Proceedings of the Twelfth Annual 

 Meeting of the Cordilleran Sec- 

 tion of the Geological Society of 

 America, held at Berkeley, Cali- 

 fornia, March 31 and April 1, 

 1911. George D. Louderback, 

 Secretary 69-76 



Proceedings of the Third Annual 

 Meeting of thePaleontological So- 

 ciety, held at Washinston, D. C, 

 December 28, 29, and 30, 1911. 

 R. S. Bassler, Secretary 77-92 



Relation of sceography to geologv. 



W. M. Davis ^ 93-124 .... 



Pleistocene of Sioux Falls, South Da- 

 kota, and vicinity. B. Shimek. 125-154 7-10 

 t Symposium on ten years' progress 



in vertebrate paleontology. K. S. 



Bassler, Secretary 155-266 



The Monument Creek group. G. B. 



RrcFiARDsoN '. 267-276 



Postglacial erosion and oxidation. 



G. F. Wright 277-296 11 



Plateau of British East Africa. G. 



L. Collie 297-316 12-14 



Progress of opinion as to the origin 



of the Lake Superior iron ores. 



N. H. WiNCHELL 317-328 



Saponite, thalite, greenalite, green- 

 stone. N. H. WiNCHELL 329-332 



Differential erosion and equipla- 



nation in portions of Yukon and 



Alaska. De L. D. Cairnes 333-348 15-18 



Correlation of the Paleozoic faunas 



of the Eastport Quadrangle, 



Maine. II. S. Williams 349-356 



....J 



] 



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* Preliminiiry pages are distributed with number 4. 



tUiicl.T tho brocluire heading i.s printed Prockedinos of the Palkontological Society. 



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