Nitrate mounds at Pedro de Valdivia, Chile in 1944
Nitrate mounds at Pedro de Valdivia, Chile in 1944. The whitish substance, caliche, was rich in sodium nitrate. Nitrates are the active ingredient of bombs and bullets. (BSLOC_2014_10_150)
Picture No
11966585
Media ID
45359536
Size
3000px x 2372px
(1.7MB)
Credit
Mary Evans / Everett Collection
Source
Everett Collection
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