P. W. Harben

Identifiers

• Open LibraryOL3670114A

Top Subjects

• Technology & Industrial Arts (1)
• Mineralogy (1)
• Mining (1)
• Geochemistry (1)
• Industrial Chemistry & Manufacturing Technologies (1)
• Industrial minerals -- Handbooks, manuals, etc (1)
• Nonmetallic minerals -- Handbooks, manuals, etc (1)