Quote Originally Posted by freshfunin2008 View Post
Does anyone know if the mine closes up after the 20th one like it did for some after the 10th one?
Yes it closes up after the 20th expansion. Do not expand the 20th time. I did before I knew that would happen and I cannot expand anymore and cannot mine with dynamite. I hope they give us more expansions by mining but until then DO NOT expand more than 19 times.