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ABCs of Coal

Eastern US Coalfields Map

by Dan Bourque

Coal, or “black diamonds,” has been an integral part of railroad operations for well over a century, and if you intend to model an Appalachian railroad, chances are you’ll be modeling a lot of coal! Learning some simple facts about coal goes a long way towards helping you model it.

In simple terms, coal is formed from dead vegetation pressurized under layers of rock and dirt over thousands of years. Coal comes in many different forms including lignite, bituminous, and anthracite. The form that coal takes is based on the length of time the coal has been forming and the amount of pressure applied during formation. The different forms have many different properties.

Types of … Read more