In a speech given during the oil shale boom, USGS oil shale supervisor Eric Hoffman talks about oil shale reserves in Western Colorado and the West, with focus on the Piceance Basin and the Green River Basin. He speaks about the potential for large oil shale development, the chemistry of oil shale, the geology of locations where oil shale is found, and the large amount of water needed for oil shale processing. He discusses the oil shale boom centered...