Charts. The Rocas, Brazilian [survey] 1858; scale naut. m.= 1.1 in.; St. Paul Rocks [or] Penedo de San Pedro, from voyages of 1832, 1839, and 1873, scale naut. m.=2.9 in.; Fernando Noronha, from French survey of 1760, published 1852, with additions 1871; scale naut. m.=2.1 in.; chart 537.