THIS DAY IN HISTORY NEWSLETTER
Near the end of this period, great forests covered the land, and the addition of organic material to the sediment formed the vast coal and petroleum layers that stretch in a broad curve from N Pennsylvania through West Virginia to Alabama, then W to Texas and NW through the Great Plains states and Canadian prairies . . .
Sunday, November 29 at 10 PM EST
Monday, November 30 at 2 AM EST
Saturday, November 28 at 10 AM EST
Saturday, December 05 at 10 PM EST