"Die Hohle unter der Wolke" Captain Alfred G. Buckham. In: "Flug Und Wolken", Manfred Curry, Verlag F. Bruckmann, Munchen, 1932.
Image ID: wea02185, NOAA's National Weather Service (NWS) Collection • High Resolution Photo Available
Publication of the U.S. Department of Commerce, National Oceanic & Atmospheric Adminstration (NOAA), NOAA Central Library NOAA Privacy Policy | NOAA Disclaimer Last Updated: April 23, 2007