Photograph of British forces crossing the Tugela River in South Africa during the Second Boer War
<a href="https://en.wikipedia.org/wiki/Geoffrey_Salmond" class="extiw" title="en:Geoffrey Salmond">en:Geoffrey Salmond</a>
1898-09
Baker, Anne (2003). From Biplane to Spitfire. Pen And Sword Books, plate facing page 80. <a href="//commons.wikimedia.org/wiki/Special:BookSources/0_85052_980_8" title="Special:BookSources/0 85052 980 8">ISBN 0 85052 980 8</a>.