Activity

2016

• PTEROTOCRINUS WING PLATES A RELIABLE BIOSTRATIGRAPHIC TOOL FOR THE ELVIRAN STAGE, CHESTERIAN SERIES, ILLINOIS BASIN
  32 Peeling the Onion: Building on a Century and a Half of Geologic Research in the Illinois Basin
  Tuesday, 19 April 2016

  1:30 PM - 5:30 PM

  Chancellor Ballroom