State the reasons for development of steel industry in Pittsburgh.

One of the most important centres for iron and steel industry in the USA is Pittsburgh. Owing to several locational advantages the industry was able to grow and flourish in this region.

• Local availability of coal.

• Nearness of iron ore availability which is found around 1500 kms away at Minnesota.

• Minnesota and Pittsburgh is connected not only by a well developed railway network but also by the famous Great Lakes waterway. This provides additional infrastructural support to the industry.

• Adequate supply of water is ensured by the Ohio, the Monoghela and Allegheny rivers.

The above-mentioned factors had led to the development of the steel industry in Pittsburgh.