Wheatley , D., Seiler , W., and Chan , M., 2019, The Wind-Swept Nautilus, Enigmatic Clastic Pipes, and Toadstool Landforms: Geologic Features of the Paria Plateau: Geosites, v. 48, no. 1, p. 1-11., doi: 10.31711/geosites.v1i1.67.