Looking for Stone mound with slabs? Get this 3D model from 3d-vlad via CGTrader for $6. Technical specs: 85000 polygons, 80000 vertices.
OBJ (OBJ, filesize: 27.1 MB), MAX (Autodesk 3ds Max, filesize: 54.2 MB), FBX (Autodesk FBX, filesize: 27.1 MB), 3DS (3D Studio, filesize: 27.1 MB)