Things you need to know about Utopia IV before you use the data:

• Utopia IV consists primarily of features cut into the subsoil.
• 158 shovel test pits were used to sample topsoil and plowzone contexts at Utopia IV prior to the mechanical removal of the remaining topsoil and plowzone.
• A sample of soil was collected and floted from each subfloor pit. Unlike Utopia III, 100 percent of the sediment from subfloor pit was not floted.
• Measurements are in feet and tenths of feet.