Works of "Research Collection"
Place Collected: John Alcocke's Mine behind Usakos Mine
Place Collected: Garub Mine
Place Collected: Garub Mine
Place Collected: Garub Mine
Place Collected: Daydream Mine
Place Collected: 2 m down to a red horizon
Place Collected: Erongo Mountains
Place Collected: Helicon Mine
Place Collected: Eureka Farm
Place Collected: Husab Mine
Place Collected: Southern Cross Mine
Place Collected: Parnell Mine