Engraving depicting the digging of caliche at Nitrate grounds in the province of Tarapaca, Chile.

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Size: 5303px × 3955px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 19th, america, archival, archive, caliche, century, chemical, chemistry, chile, engraving, factory, historic, historical, history, industrial, nitrate, south, tarapaca