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I thank everybody who helped me solving these mysteries. Regards from rainy Antwerp, Richard ____________________________ Richard De Nul Churchilllaan 330 2900 Schoten, Belgium Tel.N°.: +32 (0) 3 658.75.36 email: [log in to unmask] http://www.denul.net ____________________________ -----Original Message----- From: mining-history [mailto:[log in to unmask]] On Behalf Of RDN Sent: dinsdag 16 januari 2007 19:38 To: [log in to unmask] Subject: Looking for help on mining terminology Hi group, I received recently an old English text on mining. Being a bad student, I don't understand all the terminology. Is there someone on the list who can clarify this sentence? ...The ore was easily mined from the steep pitching veins by “underhand” and “back stoping” methods. The wall rock of the lodes was usually sound. Single stick timbering generally sufficed.... What does 'the wall rock of the lodes was usually sound' means? What are 'underhand' and 'back stoping' methods? Very kind regards from a area where no mining is... Richard ____________________________ Richard De Nul Churchilllaan 330 2900 Schoten, Belgium Tel.N°.: +32 (0) 3 658.75.36 email: [log in to unmask] http://www.denul.net ____________________________