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Match it!
Match it! Select the correct answer from the pull down...Good luck!
What pH value would be closest to acid mine drainage?
caving in of the ground over an abandoned coal mine
4.5
people, especially children, might be tempted to explore inside
covered or barricaded
entrance to a drift mine or other mine tunnel
subsurface coal mine
vertical face remaining after an area is surface mined
waste removed from underground (subsurface) mine
What is the highwall?
caving in of the ground over an abandoned coal mine
4.5
people, especially children, might be tempted to explore inside
covered or barricaded
entrance to a drift mine or other mine tunnel
subsurface coal mine
vertical face remaining after an area is surface mined
waste removed from underground (subsurface) mine
Why are mine portals dangerous if left abandoned?
caving in of the ground over an abandoned coal mine
4.5
people, especially children, might be tempted to explore inside
covered or barricaded
entrance to a drift mine or other mine tunnel
subsurface coal mine
vertical face remaining after an area is surface mined
waste removed from underground (subsurface) mine
How should a vertical shaft be treated after a mine is abandoned?
caving in of the ground over an abandoned coal mine
4.5
people, especially children, might be tempted to explore inside
covered or barricaded
entrance to a drift mine or other mine tunnel
subsurface coal mine
vertical face remaining after an area is surface mined
waste removed from underground (subsurface) mine
Which of the following is an example of subsidence?
caving in of the ground over an abandoned coal mine
4.5
people, especially children, might be tempted to explore inside
covered or barricaded
entrance to a drift mine or other mine tunnel
subsurface coal mine
vertical face remaining after an area is surface mined
waste removed from underground (subsurface) mine
What is a gob pile?
caving in of the ground over an abandoned coal mine
4.5
people, especially children, might be tempted to explore inside
covered or barricaded
entrance to a drift mine or other mine tunnel
subsurface coal mine
vertical face remaining after an area is surface mined
waste removed from underground (subsurface) mine
What is a mine portal?
caving in of the ground over an abandoned coal mine
4.5
people, especially children, might be tempted to explore inside
covered or barricaded
entrance to a drift mine or other mine tunnel
subsurface coal mine
vertical face remaining after an area is surface mined
waste removed from underground (subsurface) mine
In what type of mine would a underground fire be most likely?
caving in of the ground over an abandoned coal mine
4.5
people, especially children, might be tempted to explore inside
covered or barricaded
entrance to a drift mine or other mine tunnel
subsurface coal mine
vertical face remaining after an area is surface mined
waste removed from underground (subsurface) mine
Check it!