New free Coal Authority maps find out if your house is near to coal mine workings, or any new future development
New free Coal Authority maps find out if your house is near to coal mine workings, or any new future development you can research Development High-Risk Area, mine Entry Potential Zone of Influence, Past Shallow Coal Mine Workings and much more.
Since 1872, there has been a law that requires all coal mine operators to deposit working plans of the mine with the Government following the cessation of operations. Prior to this date the plans were often destroyed or kept in private ownership due to competition between the mine operators. The Coal Authority has over 120,000 mine plans. Shallow coal mining is defined as lying at a depth of up to 10 x the thickness of coal seam extraction down to a maximum depth of 30 metres Shallow workings do not have sufficient overlying strata, therefore, any movement has the potential to reach the surface and cause damage; approx 50% of the accepted surface hazards are related to shallow workings, both recorded and unrecorded.
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