Title: Some economic aspects of the principal tantalum-bearing deposits of the Pilbara Goldfield, North-west Division, between latitudes 20⁰ 11 ́S. and 20⁰ 32 ́S. and longitudes 118⁰ 41 ́E. and 119⁰ 01 ́E
Subjects: Tantalum, Mines and mineral resources
Places: Australia, Pilbara (W.A.)