Fossil bones and pollen samples were collected and further exploration continued in 2005, with a new trench dug to better access faunal and floral materials. The obtained pollen showed there had been a diverse vegetation cover of herbaceous and arboreal plants from different vegetation belts. There was a deciduous forest with a mixture of oak and hickory trees, along with hornbeam, elm, zelkova, and linden.
Fossil remains and plant material samples were gathered, and further investigation was conducted in 2005, with a new trench excavated to improve access to animal and plant specimens. The collected pollen revealed the presence of a varied vegetation cover consisting of herbaceous and tree species from different ecological zones. A deciduous forest with a combination of oak and hickory trees, along with hornbeam, elm, zelkova, and linden, was identified.