BIBLIOGRAPHY OF A. H. PURDUE 61 



Review of the department of geology and natural resources of Indiana, 

 Twenty-third Annual Report. Journal of Geology, volume 7, pages 

 720-721. 



1901. Valleys of solution in northern Arkansas. Journal of Geology, volume 



9, pages 47-50, 2 figures. 

 Physiography of the Boston Mountains. Journal of Geology, volume 9, 



pages 694-701, 2 figures. 

 Responsibilities of university students. "The Ozark." 

 Illustrated note on a miniature overthrust fault and anticline. Journal 



of Geology, volume 9, pages 341-342, 1 figure. 

 Lead and zinc deposits of north Arkansas. Lead and Zinc News, Saint 



Louis, volume 1, number 2. 



1902. Review of evolution of the northern part of the lowlands of southeast- 



ern Missouri, by C. F. Marbut. Journal of Geology, volume 10, num- 

 ber 8, pages 919-921. 

 Demands upon university curricula. Proceedings of the Ninth Annual 

 Meeting, Southern Educational Association, pages 188-199. 



1903. Geographic processes. New York Teachers' Monograph, volume 5, num- 



ber 2. 



Is the normal school passing? Atlantic Educational Journal. 



The saddle-back topography of the Boone chert region, Arkansas (ab- 

 stract). Science, new series, volume 17, page 222. 



On the origin of geographic forms. Arkansas School Journal. 



1904. A topographic result of the alluvial cone. Proceedings of the Indiana 



Academy of Sciences, 1903, pages 109-111, 6 figures. 

 Notes on the wells, springs, and general water resources of Arkansas. 

 United States Geological Survey Water-supply Paper 102, pages 374- 

 388. 



1905. Water resources of the Winslow quadrangle, Arkansas. United States 



Geological Survey Water-supply Paper 145, pages 84-87, 1 figure. 



Underground waters of the eastern United States — northern Arkansas. 

 United States Geological Survey Water-supply Paper 114, pages 188- 

 197, 4 figures. 



Concerning the natural mounds. Science, new series, volume 21, pages 

 823-824. 



Water resources of the contact region between the Paleozoic and Mis- 

 sissippi embayment deposits in northern Arkansas. United States 

 Geological Survey Water-supply Paper 145, pages 88-119. 



Address representing the faculty at the inauguration of J. N. Tillman 

 as President of the University of Arkansas, September 20. 



1906. Is the multiplication of mining schools justifiable? Mines and Min- 



erals, volume 26, pages 411-412. 

 A discussion of the structural relations of the Wisconsin zinc and lead 

 deposits, by Professor Grant. Economic Geology, volume 1, number 4. 

 pages 391-392. 



1907. Developed phosphate deposits of northern Arkansas. United States 



Geological Survey, Bulletin 315, pages 463-473. 

 On the origin of limestone sink-holes. Science, new series, volume 26, 

 pages 120-122. 



