Nitrate mounds at Pedro de Valdivia, Chile in
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
11002089
Media ID
45257524
Size
3000px x 2372px
(1.7MB)
Credit
Everett Collection / Mary Evans
Source
Everett Collection
