You'll find the Full Old Waterhole Poser scene in: content\Scene\First_Bastion\Water Hole\Waterholefullscene.pz3
You'll find the Full Old Waterhole DAZ Studio scene preset in: Content\Props\First Bastion WaterHole\Old_Water_Hole.daz
DAZ Studio user should load both installers.
Load the Poser Installer
which contains the pp2 props in content\runtime\libraries\props\First Bastion\Waterhole
Load the DS Installer
which contains the Full DAZ scene and Mats.