IV CONTENTS. 



Report of the Secretary of Agriculture — Continued. Page. 



Bureau of Soils xxxix 



Progress and cost of the soil survey xlii 



Details of the field work xliv 



Western division xliv 



Results in California xliv 



Results in Utah xlvi 



Results in Washington xlvi 



Eastern division xlvii 



Results in Pennsylvania xlvii 



Results in Ohio xlvii 



Results in North Carolina xlvii 



Results in Virginia xlviii 



Results in Maryland xlix 



Drainage investigations xlix 



. Soil climatology li 



Soil technology liii 



Tobacco investigations liii 



Expenses of the work lvi 



Review of soil work lvii 



Bureau of Chemistry lviii 



Investigations of the composition, nutritive value, and adulteration of 



food products lviii 



Examination of imported food products lix 



Examination of foods intended for export lix 



Investigations in connection with Association of Official Agricultural 



Chemists lx 



Work of forest chemistry lx 



Work of dairy chemistry lx 



Study of sugar-producing plants lxi 



Study of road-building materials lxi 



Chemical work for other Executive Departments lxii 



Bureau of Forestry „ lxii 



Forest management lxiv 



Forest investigation lxv 



Forest exhibits lxvi 



Tree planting lxvi 



Office of Experiment Stations lxvi 



Progress of the stations lxvi 



Cooperation of the stations with the Department lxix 



Agricultural experiment stations in Alaska lxix 



Work of the stations at Sitka and Kenai, Alaska lxx 



Agricultural experiment station in Hawaii lxxii 



Porto Rico agricultural experiment station lxxv 



Selection of experiment station lxxvi 



Agricultural investigations in the Philippines lxxvi 



American institutions for agricultural education lxxvii 



Farmers' institutes lxxix 



Investigations on the nutrition of man. lxxxii 



Irrigation investigations lxxxiii 



Irrigation laws lxxxiv 



Distribution and use of water lxxx vi 



Irrigation in humid sections lxxxvii 



Agricultural engineering lxxxviii 



National aid for irrigation lxxxix 



Influence of land laws on irrigation development xcn 



Grazing land xcm 



Conclusions reached xcv 



Division of Entomology xcvi 



Establishment of Smyrna fig growing xcvi 



Work against the San Jose scale xcvi 



Black scale, plant lice, and grasshoppers . .. xcviii 



Work of less immediate importance xcix 



Work of 1902 xcix 



Office of Public Road Inquiries xcix 



Object of the work m xcix 



Publications ., c 



