Arsenic Mine (Abandoned)

USA / California / Poway /
 ruins, mine
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Arsenic mining was big in the 1920s, when arsenic was used as a pesticide. Eventually this mine was abandoned, but its remnants can still be seen and accessed via the trail network.
Nearby cities:
Coordinates:   32°59'25"N   117°6'41"W
This article was last modified 10 years ago