What natural resources contributed to making Pittsburgh, Pennsylvania, a major steel center?

Question

A: Coal contributed to making Pittsburgh, Pennsylvania, a major steel center.

Ms. Sue · Answer

Coal is only one of the natural resources at Pittsburgh.

Victoria · Answer

Coal and oil contributed to making Pittsburgh, Pennsylvania, a major steel center

Ms. Sue · Answer

What about rivers?

Victoria · Answer

Coal, oil, and rivers contributed to making Pittsburgh, Pennsylvania, a major steel center.

Victoria · Answer

Rivers or water?

Ms. Sue · Answer

http://popularpittsburgh.com/threerivers/

Victoria · Answer

So coal, oil, and rivers contributed to making Pittsburgh, Pennsylvania, a major steel center. Right?

Ms. Sue · Answer

Yes. Raw materials were shipped in by the Allegheny and Monongahela Rivers. The finished products were shipped west on the Ohio River, eventually ending up at the Mississippi and Missouri Rivers.