The middle of XIX century was marked by rough building of railways, shipping company development, development of wood and mineral resources. It has been connected with introduction in the forties the bourgeois reforms which have removed restrictions on ways of development of business, with the general economic boom in the world. On a foreign market has jumped up demand for bread and wood, export of grain and wood has increased in the USA. The requirement for saw-timbers promoted increase in number of steam sawmills. Development of the new earths and trade expansion have led to development of transport ways - to building of channels and railways.