IAGC LAND GEOPHYSICAL SAFETY MANUAL Edition 9 ... - CGISS
IAGC LAND GEOPHYSICAL SAFETY MANUAL Edition 9 ... - CGISS
IAGC LAND GEOPHYSICAL SAFETY MANUAL Edition 9 ... - CGISS
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In selecting bridging materials, consideration should be given to local environmental andconservation efforts.In most cases, it is safer to find a different way to access the line. Bridging should onlybe used when absolutely necessary. In some cases it may be safer to walk in mudand/or water than to try to negotiate a bridge.Page 49 of 136