Explaining Appalachian Coal

Make. America. Great. Again. This is the refrain of now-President Trump’s campaign. The plans to get the USA’s economy to better times. One major part of it is the coal industry. The coal mining and steel manufacturing regions served as a major part of the electorate for Trump. Here is the truth. A politician can…

Railroads and Geology

If you go to some railroad tracks, look at the rocks. Many do not understand that there is a connection here between geology and railroads. Here is a lesson in geotechnics. In a nutshell, the layer of rocks, known as track ballast, is like a foundation for the tracks, stopper of flooding, inhibitor of weeds….