The Price of Colorado Coal: A Tale of Lu... Overall Rating:   Total Customer Reviews: (2) Seller: Amazon The Price of Colorado Coal is based on two events in the history of Colorado coal mining that are called massacres: Ludlow (1914) and Columbine (1927). Each is a drama of deep tragedy. At Ludlow an entire tent village, occupied by coal...

Coal – left for a reason!... Coal – left for a reason! I have been working on a reserve study for last few weeks. The coal seam is of great quality, clean, and with about black and white separation. However the geology is extremely difficult and the seam is barely over 2 feet! The seam also splits with vanishings lower bench in...

Danger Behind Coal Fired Power Plants... ...

US COAL – sudden increase in deman... ...