Mining subsidence as effected by the interaction between contemporary mining works and those from the 17th-18th century at ocna dej saline

摘要

1. OCNA DEJ SALT DEPOSIT 2. HISTORY OF THE MINING WORKS 3. INTERACTION BETWEEN CONTEMPORARY AND OLD MINING WORKS 4. GROUND COLLAPSE IN THE AREA OF THE SALT MINES CICIRI-23 AUGUST 5. INVESTIGATIONS CARRIED OUT IN THE HAZARDOUS AREA 6. FORECASTING OF SUBSIDENCE PHENOMENA.