REPORT OF EXECUTIVE COMMITTEE. 57 



while others are engaged upon different phases of the economic and 

 sociological aspects of agriculture generally. 



Division 3. Mining. 



This division is under the charge of Mr. Edward W. Parker, 

 expert, Geological Survey. Mr. Parker reports that Mr. J. F. Mc- 

 Clelland, of the Columbia School of :\Iines, is in charge of the work 

 on precious metals, and that during the summer he has spent much 

 time in the mining camps of Colorado, and gathered very full data 

 on the history of economic conditions in that State from the time of 

 the first gold excitement. Pie 'has also obtained notes of mining in 

 Wyoming. During the winter Mr. McClelland will continue his re- 

 searches among libraries, and next summer take up more active 

 field work. 



Prof. C. K. Leith, of the University of Wisconsin, is in charge of 

 the work on iron ores and the economic influences of mining and 

 working ores. He did a considerable amount of work during the 

 summer in 'his particular line. 



Dr. M. N. Bowles, of the Columbia School of Mines, is in charge 

 of investigations relating to copper. He has already collected much 

 material bearing upon prehistoric copper implements and other mat- 

 ters concerning the mining of copper. His researches have been 

 prosecuted in different parts of the country. 



Mr. Walter Renton Ingalls, of New York, is in charge of the 

 investigation relating to lead and zinc. ]\Ir. Ingalls is an acknowl- 

 edged authority on these subjects, and he has very kindly consented 

 to prepare the work for the economic history. During the summer 

 he did mudh work in regard to lead^mining industries, acquiring a 

 vast amount of infomiation not previously known. He has in the 

 past few years collected the anost complete notes on the 'history of zinc 

 mining and metallurg}- and the uses of the metal, and the Carnegie 

 Institution will have the benefit of the knowledge already obtained. 



'Sir. W. S. Landis, of Lehigh University, is in charge of some 

 studies relating to chromium and manganese. He has already com- 

 pleted the entire reference work on these two subjects, and the 

 work seems to be in a most satisfactory condition. 



Mr. H. H. Stock, editor of "Mining and Minerals," is in charge 

 of the investigation relating to anthracite coal. During the summer 

 Mr. Stock was engaged in collecting and arranging a large amount 

 of historical data showing the economic development of this vast 

 industry, and his work is in favorable condition. 



