Just a reminder that tomorrow the Society for Mining and Metallurgy Exploration, Inc. (SME) will be live streaming it's Move Mining Competition. You can watch five teams compete for a $5,000 prize to change the face of mining. The competition will start at 4 pm MST.
The Washington State Coal Mine Map Collection from the Washington Division of Geology and Earth Resources allows users to find maps of coal mines (including abandoned coal mines) in the state of Washington. The interactive atlas provides shaded "map areas" that the user can click on to find maps of coal mines in each area.