Laserfiche WebLink
~~~ ~ ~ • • III IIIIIIIIIIIIIIII^ <br />999 <br />.. <br />fJ C. ~ N~ C, e D ~ 1 {~ C ~ D ~~ C XY[ ~ ~J ~ l Li ` ~ ~ C. [ trG~. ~+iL S <br />Surface <br /> <br />Sinkhole <br />~.. <br /> <br /> <br /> ~:.. <br /> <br />~ _ -. <br /> <br />o - <br /> <br />z_ <br />- <br />~ - <br />c <br />~ _ _ - - <br />Mine floor <br />r <br />