Mining engineer's survey manual
Metcalfe, J.E.
Mining engineer's survey manual - - London Electrical Press, 1951 - x.341 p. 21.5 cm - .
0
Mine surveying
622 Met
Mining engineer's survey manual - - London Electrical Press, 1951 - x.341 p. 21.5 cm - .
0
Mine surveying
622 Met