Holck, Bertrand.
Hinsides verdenshavent : en dansk sømands erindringer fra et 25-aarigt ophold i Nordamerika, China og Sydamerika / af Bertrand Holck.
Kjøbenhavn : A. Schous, 1879.
Includes a chapter on the California gold mines.
Voyages and travels.
Gold mines and mining -- California.
China -- Description and travel.
South America -- Description and travel.
Philadelphia Area Center for History of Science
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