W. A. Humphrey
Identifiers
- Open LibraryOL12872888A
Top Subjects
- Geology (3)
- South Africa (3)
- Transvaal (3)
- Rustenburg (1)
- North-West (1)
- Pilanesburg (1)
Books by W. A. Humphrey
Total count: 4
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Über einige erzlagerstätten in der umgebung der stangalpe1905-01-01
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The geology of Rustenburg and the surrounding districtAn explanation of sheet 4 (Rustenburg)Government Printing and Stionery Office1908-01-01
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The geology of the country lying northwards from Zeerustan explanation of sheet 9 (Marico)Government Printing and Stationery Office1911-01-01
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The geology of the Pilandsberg and the surrounding countryan explanation of sheet 12 (Pilandsberg)government Print. and stationery Office1914-01-01