![](https://nthumb.tpgimages.com/mid2_ocom_img/dW5pdmVyc2FsX2ltYWdlcw==/20120511_4_rm/2012051516/top_20120515160119_7097.jpg/TOP09162086.jpg)
Hydraulic gold mining in California. Using strong jets of water to wash down the gold-bearing rock greatly reduced the labour of digging. Engraving c1875.
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Details
Creative#:
TOP09162086
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
NO
Property Release:
NO
Right to Privacy:
No
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