The geology and geography of Northern Nigeria, by John Downie Falconer    79349

  [Author: John Downie Falconer]

  [Contributor: Henry Woods]

  [Contributor: Arthur Longbottom]

  [Link: https://www.gutenberg.org/ebooks/79349]

  note: link will be active within two hours of posting.

Thanks to Galo Flordelis.

Regards,

Robert