A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Gold dredging in California
A description and mode of operation of the dredges. (5500 w.) (No. 28442 D)
Gold dredging in California
A description and mode of operation of the dredges. (5500 w.) (No. 28442 D)
Gold dredging in California
Goldgewinnung durch Bagger in Kalifornien
Ettrup, L. (author) / Homberger, H. (author)
1911
Ills.
Article (Journal)
German
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| Engineering Index Backfile | 1911
| Engineering Index Backfile | 1913
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| Engineering Index Backfile | 1899