Small-scale placer mines as a source of gold, employment, and livelihood in 1935

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: Merrill, Charles White (VerfasserIn)
Weitere Verfasser: Henderson, Charles William (BerichterstatterIn), Kiessling, Oscar Edward (BerichterstatterIn)
Format: UnknownFormat
Sprache:eng
Veröffentlicht: Philadelphia, Pa. 1937
Schriftenreihe:National Research Project on reemployment opportunities and recent changes in industrial techniques ... Mineral technology and output per man studies [Report no. E-2]
Schlagworte:
Gold miners > Gold mines and mining > Miners > Placer mining > USA
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Beschreibung:Series title in part also on t.p. -- Photoprinted. -- In cooperation with the U.S. Bureau of Mines. cf. p. [v] -- Issued also in Technology, employment, and output per man: copper, iron, placer gold (National Research Project on reemployment opportunities and recent changes in industrial techniques) [1937-40]. - Bibliographical foot-notes
Beschreibung:xiii, 52 p. incl. tables, forms.
front., plates, maps, diagrs. : 26 cm