78 REPORTS OF INVESTIGATIONS AND PROJECTS. 



Prof. B. F. Laney, of the University of North CaroHna, is making stren- 

 uous efforts to complete his work on the stone-quarrying industry by next 

 June. 



Dr. Joseph Hyde Pratt, also of the University of North Carolina, will have 

 his work on precious stones, rare earths, and abrasive materials ready by next 

 June. 



Mr. William E. Colby, of San Francisco, at work on mining law, will also 

 be able to present his completed manuscript during the next 12 months. 



Dr. David T. Day, of the U. S. Geological Survey, who is at work on 

 quicksilver, platinum, antimony, etc., has his work well advanced and expects 

 to hand in the manuscript on platinum and its associated mineral, iridium, 

 and also the manuscript of his other subjects, by the end of the present 

 calendar year. 



Prof. C. K. Leith, through his assistant, Mr. Holden, has substantially com- 

 pleted the correlation of his detailed information for the Southern States on 

 iron ores. 



Professor Williams, of the Iowa State College, is working on the history of 

 graphite, and his work will be completed during the next 8 or 9 months. 



Under Mr. Parker's direction there are 18 persons employed. 



Division 4. — Manufactures. 



Dr. Victor S. Clark, in charge, has 6 assistants, as follows : 



Prof. M. B. Hammond, of Ohio State University, is engaged upon original 

 research into the history of American cotton manufacturing. 



Prof. John B. Phillips, of the Colorado State University, has a manuscript 

 nearly ready on manufactures in the Mountain States. 



Mr. E. A. Riley is writing the history of manufactures in Chicago, and his 

 complete manuscript is expected toward the end of the year. 



Mr. L. Lippincott, writing on the manufactures in the central Mississippi 

 Valley, has nearly completed his work. 



Mr. R. L. Douglass, of Kansas University, is making an investigation of 

 manufactures in the Prairie States. 



Mr. Charles Klein, of Berkeley, California, is collecting data concerning 

 manufactures, early and recent, in southern California, and his manuscript 

 promises to be very valuable indeed. 



Dr. Clark himself has spent some weeks in getting out some very important 

 original English material relating to the development of manufactures dur- 

 ing the Colonial period. He reports that nothing has yet been published 

 relating to manufactures, the plan upon which he is working contemplating 

 leaving monographs in the hands of authors until the latest possible moment. 

 The number of his assistants is 6. 



