Following these, the natural process of weathering and erosion resulted in a surface generally rolling with flat ridges between drainages.
(the natural process of weathering and erosion; resulted; in a surface generally rolling with flat ridges between drainages; T:Following these) (a surface; generally rolling; )
the natural process of weathering and erosion a surface
resulted generally rolling
in a surface generally rolling with flat ridges between drainages T:Following these