Surface stability in areas ynderlain by old coal workings
Littlejohn, G.S.
Surface stability in areas ynderlain by old coal workings - 1979 - Ground Engineering March 1979, 22-30(6) .
Citation from CSM article `Detecting mineshafts using geophysical techniques` CSM:M 3(1) September 1993, 4-6. Stored on gallery.
COAL MINES
SUBSIDENCE
Surface stability in areas ynderlain by old coal workings - 1979 - Ground Engineering March 1979, 22-30(6) .
Citation from CSM article `Detecting mineshafts using geophysical techniques` CSM:M 3(1) September 1993, 4-6. Stored on gallery.
COAL MINES
SUBSIDENCE