Penelope Eberhart talks about her father Harry Brown’s introduction to oil shale while on a family vacation in Denver in the 1920’s, his subsequent move to the De Beque area on the Western Slope, and his early business venture in oil shale with the Index Oil Shale Company. She speaks about the mining and milling process for shale, and about a biproduct of the milling process marketed as plant fertilizer called Index Soil Vitalizer. She talks about...

Harold Kissell talks about being born in a coal camp near New Castle, Colorado, his career working as a coal miner and foreman in Cameo, and his father’s career as a coal miner for the Colorado Fuel and Iron company. He tells the story of the Vulcan Mine and the mine explosions that killed many men. He recounts the superstition that women inside a mine brought bad luck. He speaks of the diverse workforce in local coal mines, including African-Americans...