Михальков Эдуард - Самара. Краткая история стр 2.

In 1851 Samara became the capital of Samara province and further actively developed its industry. In the late XIX  early XX century the city became one of the largest transportation hubs of the Volga-Ural region. Thanks to the active development of railroad and waterways, large enterprises engaged in shipbuilding, machine building and manufacturing industry were established here.