NEAR ROAD 90. KM=236.5
COOR.(NEW) - 2370/5897
PICTURE 22
THE SINKHOLE THAT SANK AROUND A RESEARCH DRILLING ON 09.12.2002.
THE DRILLING WAS FINISHED ON 30-08-2001 (SEE PIC.15 [15] ).
AFTER A WEEK (ON 16-12-2002) THE CORE-PILLAR COLLAPSED AND FELL DOWN 2 METER
(SEE PIC. 16 [16] ) . AFTER 2 WEEKS (ON 7.1.2003 -[18] ) THE CORE-PILLAR FELL DOWN 2 M. MORE.
[HERE YOU SEE THE POSITION OF THE CORE-PILLAR AFTER A MONTH LATTER - ON 3.2.2003 ]
TO SEE THE SINKHOLE ON 11.3.2003 GO TO PIC. [26] .