File:Diamantina digging in stream for diamonds, near Diamantina, Brazil.jpg

Summary
Caption: Digging in stream beds for diamonds, near Diamantina, Brazil

Farrington (Curator Chicago Museum and Pres. Am. Ass. of Museums), "Gems and Gem Minerals", published 1903, hence image in public domain. URL: http://www.farlang.com/gemstones/farrington-gems-and-gem-minerals/page_014