BIBLIOGRAPHY OF H. P. GUSHING 00 



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1910. Accessions to library [of Geological Society of America] from Novem- 



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1911. Nomenclature of the lower Paleozoic rocks of New York. American 



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1912. The age of the Cleveland shale of Ohio. American Journal of Science, 



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1913. Northumberland volcanic plug. Bulletin of the Geological Society of 



America, volume 24, pages 335-350, 2 plates, 4 figures. 



1914. Geology of Saratoga Springs and vicinity. (With R. Ruedemann.) 



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1915. Age of the igneous rocks of the Adirondack region. American Journal 



of Science, fourth series, volume 39, pages 288-294. 

 Diastrophic importance of the unconformity at the base of the Berea 



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26, pages 205-216, 1 plate, 2 figures ; Abstract, page 96. 

 1917. Geology of the vicinity of Ogdensburg (Brier Hill, Ogdensburg, and 



Red Mills quadrangles). New York State Museum, Bulletin 191, 



64 pages, 6 plates, 2 figures, map. 

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EEPOPtT OF THE COMMITTEE OF THE GEOLOGICAL SOCIETY OF AMERICA 

 ON" THE TEACHING OF GEOLOGY 



The Committee on the Teaching of Geology was then called on for its 

 report. This was presented by the chairman, in the form of a paper, 

 given in full below, entitled 



