CONTENTS. 



Page. 



Letter of transmittal 7 



Keport ou metal track iu foreign countries 11 



Appendix A : The Post tie 18 



Appendix B : Some American metal ties 20 



Metal-tie notes 23 



Maintenance expenses of track ou "wooden and metal ties 25 



List of United States patents relating to metal track 36 



Treatment; of railway ties in England 49 



Circular in regard to chestnut-oak ties 52 



Correspondence in reply to the circular on chestnut-oak ties 53 



Specifications for wooden cross-ties 55 



Report of experiments in wood seasoning 57 



The relation of railways to the timber resources of the United States 68 



3 



