Anthracite coal being a much nore dense material than the other fuels named, requires a concentrated and powerful heat to raise it to the cemperature it which it will commence to combine with the ...

6th. In accounting for the formation of anthracite, it is not necessary to take into the elements of our theorizing the acthm of a high heat to change bituminous coal into anthracite. Heat is ...

Anthracite coal converted ... underground put NEPA on the map. Coal attracted train service and powered the locomotives. It could light and heat homes. It could turn savvy businessmen into tycoons ...

The anthracite coal companies are to meet to-day to consider the question of making up a combination without the Pennsylvania Railroad. View Full Article in Timesmachine » Advertisement ...