BUREAU OF SOILS. 197 



lars; one exocutive assistant, two thousand dollars; three clerks, class 

 four; two clerks, class three; three clerks, class two; one clerk, one 

 thousand two hundred and sixty dollars; eight clerks, class one; four 

 clerks, at one thousand dollars each; three clerks, at nine hundred 

 dollars each; one soil carto<;rapher, one thousand ei";ht hundred dol- 

 lars; one soil bibliographer, one thousand four hundred dollars; one 

 photographer, one thousand two hundred dollars; three draftsmen, 

 at one thousand two hundred dollars each; one draftsman, one thou- 

 sand dollars; one messenger, eight hundred and forty dollars; two 

 messengers, messenger boys, or laborers, at four hundred and eighty 

 dollars each ; one laborer, six hundred dollars ; one laborer, three 

 hundred dollars; one charwoman or laboi-er, four hundred and eighty 

 dollars; in all, fifty thousand five hundred and forty dollars. 



Ge>;eil:\l expenses, Bureau of Soils: For all necessary expenses 

 connected with the investigations and experiments hereinafter au- 

 thorized, including the employment of investigators, local and special 

 agents, assistants, experts, clerks, draftsmen, and labor in the city of 

 Washington and elsewhere; official traveling expenses, materials, 

 tools, instruments, apparatus, repairs to apparatus, chemicals, fur- 

 niture, office fixtures, stationery, gas, electric current, telegraph and 

 telephone service, express and freight charges, rent outside of the 

 District of Columbia, and for all other necessary supplies and ex- 

 penses, as follows: 



For chemical investigations of soil types, soil composition and soil 

 minerals, the soil solution, solubility of soil and all chemical prop- 

 erties of soils in their relation to soil formation, soil texture, and soil 

 productivity, including all routine chemical work in connection with 

 the soil surve}', eighteen thousand one hundred and thirty-five 

 dollars; 



For physical investigations of the important properties of soil 

 whilth determine productivity, such as moisture relations, aeration, 

 heat conductivity, texture, and other physical investigations of the 

 various soil classes and soil types, eleven thousand two hundred and 

 sixty-five dollars; 



For soil-fertility investigations into organic causes of infertility 

 and remedial measures, maintenance of productivity, properties and 

 composition of soil humus, and the transformation and formation of 

 soil humus by soil organisms, twenty-two thousand two hundred 

 dollars; 



For exploration and investigation within the United States to de- 

 termine a possible source of supply of potash, nitrates, and other 

 natural fertilizers, twenty-five thousand dollars; 



For the investigation of the relation of soils to drainage and seep- 

 age waters, five thousand dollars; 



For the investigation of soils and for indicating upon maps and 

 plats, by coloring or otherwise, the results of such investigations, one 

 hundred and sixty-five thousand dollars; 



For general administrative expenses connected with the above- 

 mentioned lines of investigation, four tliousand two hundred and 

 eighty dollars; 



In all. for general expenses, two hundred and fifty thousand eight 

 hundred and eighty dollars. 



