Maryland needs natural gas, which makes upgrades to aging pipelines essential, writes Columbia Gas of Maryland President.

And that older, more brittle pipe — which also has some considerable corrosion, as well — is just not able to withstand those forces,” Baker said. The usual suspects are cast iron mains ...

The Corrosion of Iron and Steel Being a General Account of the Work of the Corrosion Committee of the Iron and Steel Institute and the British Iron and Steel Federation. By Dr. J. C. Hudson.