Bathymetrical chart of the Indian Ocean - Edinburgh Geographical Institute; Bartholomew, J. G. (John George), 1860-1920. (Edinburgh : J.G. Bartholomew, 1895)
Relief shown by gradient tints. Depths shown by bathymetric soundings, isolines and tints.
"The voyage of H.M.S. 'Challenger'. Summary of results. Chart 1C."
Inserted in: Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares, R.N., F.R.N., and late Captain Frank Tourle Thomson, R.N. -- [London] : H.M.S.O., 1880-1895, Volume 40: A Summary of the scientific results, First part, 1895.
Keywords: Indian Ocean -- Maps; Bathymetric maps