Keywords: Middle-Stoltenhoff.png en photo showing Middle and Stoltenberg Islands seen from Nightingale Island Tristan da Cunha group South Atlantic Ocean http //msi nga mil/MSISiteContent/StaticFiles/NAV_PUBS/SD/Pub123/Pub123bk pdf page 153 National Geospatial-Intelligence Agency date PD-USGov Tristan da Cunha |