CONTENTS. 

 DEPARTMENT BULLETIN No. 048. — COMPOSITION OF COTTON SEED : 



Sources of information o 



Seed produced and crushed, by States 2 



Yields of oil and meal, by States and counties 3 



Yeilds of oil and meal, by months 3 



Variation of yields of oil and meal on same market 3 



Foreign matter 4 



Importanace of analyzing cotton seed 4 



Damaged seed 5 



Tables 5 



I. Cotton seed crushed in different States, by years 5 



II. Quantity of crushing seed produced 1 5 



III. Total products yielded and manufacturing loss per ton of 



seed f5 



IV. Oil and meal yields per ton of seed 6 



V. Yields of oil and meal, by States, as compiled from 



analyses 7 



VI. Yields of oil and meal, by counties, as compiled from 



analyses 8 



VII. Yields of oil and meal, by months, as compiled from 



analyses 202 



VIII, Variation of yields of oil and meal on same market 207 



Department Bulletin No. 949. — Standard and Tentative Methods of 

 Sampling and Testing Highway Materials : 



Introduction 1 



Tests for nonbituminous road materials 3 



Tests for bituminous road materials 36 



Tentative tests 62 



Recommended standard methods of sampling 69 



Miscellaneous matter 75 



Forms for recording and reporting results 79 



Comparison of degrees Baume and specific gravity 94 



Comparison of centigrade and Fahrenheit degrees 94 



Metric conversion tables 95 



References to tests for paint and paint materials, sewer pipe, 



drain tile, and metals 95 



Index 97 



Department Bulletin No. 950. — Regional Development of Pulpwood 

 Resources of the Tongass National Forest, Alaska : 



Objects of this statement 1 



Demand for pulp and paper 2 



Advantages of regional development 2 



Importance of Alaska as a source of paper supply 3 



Location of the region 5 



Communication and accessibility 5 



Topographic and other surface features 6 



Climate of the region 7 



Timber and stand 8 



Quality of timber 9 



Suitability for pulp and paper 10 



Logging 11 



Labor 13 



Construction of improvements 14 



Operating materials and mill supplies 14 



Disposal of mill effluents 15 



Water supply 15 



Water power 16 



Water-power permits 18 



Developed water power in Alaska 18 



Fuel 19 



Markets 19 



Taxes 20 



Freight rates 20 



