sink holes

http://www.google.com.au/imgres?imgurl=http://i.ytimg.com/vi/MX3S1uM59e4/maxresdefault.jpg&imgrefurl=http://www.youtube.com/watch?v=MX3S1uM59e4&h=1080&w=1920&tbnid=am0R7PqJUvDS-M:&zoom=1&docid=Q4q2MMzLb7dXxM&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CCYQMygJMAk

http://www.google.com.au/imgres?imgurl=http://i.ytimg.com/vi/MX3S1uM59e4/maxresdefault.jpg&imgrefurl=http://www.youtube.com/watch?v=MX3S1uM59e4&h=1080&w=1920&tbnid=am0R7PqJUvDS-M:&zoom=1&docid=Q4q2MMzLb7dXxM&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CCYQMygJMAk

http://www.google.com.au/imgres?imgurl=http://www.sjrwmd.com/watersupply/images/sinkhole.jpg&imgrefurl=http://www.sjrwmd.com/watersupply/howsinkholesform.html&h=188&w=288&tbnid=hY-riC1USaZL9M:&zoom=1&docid=uBc55M3ushz_AM&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CCkQMygMMAw

http://www.google.com.au/imgres?imgurl=http://www.sjrwmd.com/watersupply/images/sinkhole.jpg&imgrefurl=http://www.sjrwmd.com/watersupply/howsinkholesform.html&h=188&w=288&tbnid=hY-riC1USaZL9M:&zoom=1&docid=uBc55M3ushz_AM&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CCkQMygMMAw

http://www.google.com.au/imgres?imgurl=http://www.csmonitor.com/var/archive/storage/images/media/images/0601-guatemala-sink-hole/7993182-1-eng-US/0601-Guatemala-sink-hole.jpg&imgrefurl=http://imgarcade.com/1/largest-sinkhole-ever-recorded/&h=400&w=600&tbnid=8v768pg6tSskHM:&zoom=1&docid=FWEm-EajOGFMWM&itg=1&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CGkQMyhCMEI

http://www.google.com.au/imgres?imgurl=http://www.csmonitor.com/var/archive/storage/images/media/images/0601-guatemala-sink-hole/7993182-1-eng-US/0601-Guatemala-sink-hole.jpg&imgrefurl=http://imgarcade.com/1/largest-sinkhole-ever-recorded/&h=400&w=600&tbnid=8v768pg6tSskHM:&zoom=1&docid=FWEm-EajOGFMWM&itg=1&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CGkQMyhCMEI

http://www.google.com.au/imgres?imgurl=http://www.greendiary.com/wp-content/uploads/2012/07/sinkhole_2196.jpg&imgrefurl=http://www.greendiary.com/giant-sinkhole-in-guatemala.html&h=448&w=297&tbnid=ldFD-un8IG0euM:&zoom=1&docid=AWf0jHJQg3cFzM&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CGQQMyg9MD0

http://www.google.com.au/imgres?imgurl=http://www.greendiary.com/wp-content/uploads/2012/07/sinkhole_2196.jpg&imgrefurl=http://www.greendiary.com/giant-sinkhole-in-guatemala.html&h=448&w=297&tbnid=ldFD-un8IG0euM:&zoom=1&docid=AWf0jHJQg3cFzM&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CGQQMyg9MD0

http://www.google.com.au/imgres?imgurl=http://i.ytimg.com/vi/tQvv8YFCGsY/maxresdefault.jpg&imgrefurl=http://www.youtube.com/watch?v=tQvv8YFCGsY&h=720&w=1280&tbnid=dqM55OK90cJ9OM:&zoom=1&docid=oK0eqFFeIIzO1M&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CCMQMygGMAY

http://www.google.com.au/imgres?imgurl=http://i.ytimg.com/vi/tQvv8YFCGsY/maxresdefault.jpg&imgrefurl=http://www.youtube.com/watch?v=tQvv8YFCGsY&h=720&w=1280&tbnid=dqM55OK90cJ9OM:&zoom=1&docid=oK0eqFFeIIzO1M&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CCMQMygGMAY

http://www.google.com.au/imgres?imgurl=http://i.ytimg.com/vi/P6b_AdpEppo/maxresdefault.jpg&imgrefurl=http://www.youtube.com/watch?v=P6b_AdpEppo&h=720&w=1280&tbnid=sje2fkD05oOjPM:&zoom=1&docid=6hMkXh_z_ZItLM&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CCQQMygHMAc

http://www.google.com.au/imgres?imgurl=http://i.ytimg.com/vi/P6b_AdpEppo/maxresdefault.jpg&imgrefurl=http://www.youtube.com/watch?v=P6b_AdpEppo&h=720&w=1280&tbnid=sje2fkD05oOjPM:&zoom=1&docid=6hMkXh_z_ZItLM&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CCQQMygHMAc

How do SINK HOLES occur?

http://www.google.com.au/imgres?imgurl=http://dnr.mo.gov/geology/images/sinkholedevelopmentsteps.jpg&imgrefurl=http://www.dnr.mo.gov/geology/geosrv/envgeo/sinkholes.htm&h=367&w=650&tbnid=UPbGbrvlB2orFM:&zoom=1&docid=B-NLWlhloze26M&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CCIQMygFMAU

http://www.google.com.au/imgres?imgurl=http://dnr.mo.gov/geology/images/sinkholedevelopmentsteps.jpg&imgrefurl=http://www.dnr.mo.gov/geology/geosrv/envgeo/sinkholes.htm&h=367&w=650&tbnid=UPbGbrvlB2orFM:&zoom=1&docid=B-NLWlhloze26M&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CCIQMygFMAU

http://www.google.com.au/imgres?imgurl=http://www.bgs.ac.uk/research/engineeringGeology/shallowGeohazardsAndRisks/images/sinkHoles/SinkholTtypes.gif&imgrefurl=http://www.bgs.ac.uk/research/engineeringGeology/shallowGeohazardsAndRisks/sinkholes/home.html&h=362&w=650&tbnid=TzCx0spTM2AG0M:&zoom=1&docid=zmjQiOIOmHRlmM&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CCUQMygIMAg

http://www.google.com.au/imgres?imgurl=http://www.bgs.ac.uk/research/engineeringGeology/shallowGeohazardsAndRisks/images/sinkHoles/SinkholTtypes.gif&imgrefurl=http://www.bgs.ac.uk/research/engineeringGeology/shallowGeohazardsAndRisks/sinkholes/home.html&h=362&w=650&tbnid=TzCx0spTM2AG0M:&zoom=1&docid=zmjQiOIOmHRlmM&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CCUQMygIMAg

http://www.google.com.au/imgres?imgurl=http://dnr.mo.gov/geology/images/sinkholemitigation.jpg&imgrefurl=http://www.dnr.mo.gov/geology/geosrv/envgeo/sinkholes.htm&h=591&w=500&tbnid=kP0YgB86gWMXJM:&zoom=1&docid=B-NLWlhloze26M&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CCcQMygKMAo

http://www.google.com.au/imgres?imgurl=http://dnr.mo.gov/geology/images/sinkholemitigation.jpg&imgrefurl=http://www.dnr.mo.gov/geology/geosrv/envgeo/sinkholes.htm&h=591&w=500&tbnid=kP0YgB86gWMXJM:&zoom=1&docid=B-NLWlhloze26M&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CCcQMygKMAo

http://www.google.com.au/imgres?imgurl=http://uretekicr.com/wp-content/uploads/2013/01/sinkhole_causes.jpg&imgrefurl=http://uretekicr.com/2013/02/06/deep-injection-for-sinkholes/&h=512&w=640&tbnid=EWtTnCMq0qSyeM:&zoom=1&docid=LamcpJh60mP6FM&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CCwQMygPMA8

http://www.google.com.au/imgres?imgurl=http://uretekicr.com/wp-content/uploads/2013/01/sinkhole_causes.jpg&imgrefurl=http://uretekicr.com/2013/02/06/deep-injection-for-sinkholes/&h=512&w=640&tbnid=EWtTnCMq0qSyeM:&zoom=1&docid=LamcpJh60mP6FM&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CCwQMygPMA8

http://www.google.com.au/imgres?imgurl=http://gsa.state.al.us/gsa/geologichazards/Sinkholes_files/image019.jpg&imgrefurl=http://planet.infowars.com/outdoors/sinkholes-louisiana-sinkhole&h=371&w=578&tbnid=JU5dTQXrQfw9FM:&zoom=1&docid=uyzIPWTKWdFPCM&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CDAQMygTMBM

http://www.google.com.au/imgres?imgurl=http://gsa.state.al.us/gsa/geologichazards/Sinkholes_files/image019.jpg&imgrefurl=http://planet.infowars.com/outdoors/sinkholes-louisiana-sinkhole&h=371&w=578&tbnid=JU5dTQXrQfw9FM:&zoom=1&docid=uyzIPWTKWdFPCM&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CDAQMygTMBM

http://www.google.com.au/imgres?imgurl=http://xfilexplore.com/wp-content/uploads/2011/02/SINKHOLE-one-of-biggest-hole-in-world.jpg&imgrefurl=http://xfilexplore.com/2011/list-of-10-biggest-hole-in-the-world/&h=328&w=500&tbnid=dnb0JFANGR_KQM:&zoom=1&docid=zwh1dDF9GH2SfM&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CCcQMygKMAo

http://www.google.com.au/imgres?imgurl=http://xfilexplore.com/wp-content/uploads/2011/02/SINKHOLE-one-of-biggest-hole-in-world.jpg&imgrefurl=http://xfilexplore.com/2011/list-of-10-biggest-hole-in-the-world/&h=328&w=500&tbnid=dnb0JFANGR_KQM:&zoom=1&docid=zwh1dDF9GH2SfM&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CCcQMygKMAo

http://www.google.com.au/imgres?imgurl=http://thechive.files.wordpress.com/2009/02/amazing-holes-world-0.jpg&imgrefurl=http://thechive.com/2009/02/14/mind-blowing-holes-in-the-earth-8-photos/&h=375&w=500&tbnid=IrtsWIcdgm5KkM:&zoom=1&docid=cETyLS6KL06CrM&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CCoQMygNMA0

http://www.google.com.au/imgres?imgurl=http://thechive.files.wordpress.com/2009/02/amazing-holes-world-0.jpg&imgrefurl=http://thechive.com/2009/02/14/mind-blowing-holes-in-the-earth-8-photos/&h=375&w=500&tbnid=IrtsWIcdgm5KkM:&zoom=1&docid=cETyLS6KL06CrM&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CCoQMygNMA0

http://www.google.com.au/imgres?imgurl=http://investorshangout.com/images/MYImages/1241411493_o sinkhole.jpeg&imgrefurl=http://investorshangout.com/post/view?id=1084298&h=454&w=667&tbnid=tz_Jvh8ypG_E3M:&zoom=1&docid=BDqx4w_SXo_lhM&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CDwQMygVMBU

http://www.google.com.au/imgres?imgurl=http://investorshangout.com/images/MYImages/1241411493_o sinkhole.jpeg&imgrefurl=http://investorshangout.com/post/view?id=1084298&h=454&w=667&tbnid=tz_Jvh8ypG_E3M:&zoom=1&docid=BDqx4w_SXo_lhM&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CDwQMygVMBU

http://www.google.com.au/imgres?imgurl=http://www.wnd.com/files/2012/11/121124saltdome.jpg&imgrefurl=http://www.wnd.com/2012/11/monster-sinkhole-sparks-catastrophe-worries/&h=243&w=299&tbnid=faoiPSy_StM4-M:&zoom=1&docid=OL2SSaYRT-9CCM&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CDsQMygUMBQ

http://www.google.com.au/imgres?imgurl=http://www.wnd.com/files/2012/11/121124saltdome.jpg&imgrefurl=http://www.wnd.com/2012/11/monster-sinkhole-sparks-catastrophe-worries/&h=243&w=299&tbnid=faoiPSy_StM4-M:&zoom=1&docid=OL2SSaYRT-9CCM&ei=-aQbVJ7LCsPM8gWHvYKwBg&tbm=isch&ved=0CDsQMygUMBQ

http://www.google.com.au/imgres?imgurl=http://www.sjrwmd.com/watersupply/images/sinkhole.jpg&imgrefurl=http://www.sjrwmd.com/watersupply/howsinkholesform.html&h=188&w=288&tbnid=hY-riC1USaZL9M:&zoom=1&docid=uBc55M3ushz_AM&ei=qKIbVJPUOs7e8AWJ54DoBA&tbm=isch&ved=0CCcQMygMMAw

http://www.google.com.au/imgres?imgurl=http://www.sjrwmd.com/watersupply/images/sinkhole.jpg&imgrefurl=http://www.sjrwmd.com/watersupply/howsinkholesform.html&h=188&w=288&tbnid=hY-riC1USaZL9M:&zoom=1&docid=uBc55M3ushz_AM&ei=qKIbVJPUOs7e8AWJ54DoBA&tbm=isch&ved=0CCcQMygMMAw

http://www.google.com.au/imgres?imgurl=http://dnr.mo.gov/geology/images/sinkholedevelopmentsteps.jpg&imgrefurl=http://www.dnr.mo.gov/geology/geosrv/envgeo/sinkholes.htm&h=367&w=650&tbnid=UPbGbrvlB2orFM:&zoom=1&docid=B-NLWlhloze26M&ei=qKIbVJPUOs7e8AWJ54DoBA&tbm=isch&ved=0CCAQMygFMAU

http://www.google.com.au/imgres?imgurl=http://dnr.mo.gov/geology/images/sinkholedevelopmentsteps.jpg&imgrefurl=http://www.dnr.mo.gov/geology/geosrv/envgeo/sinkholes.htm&h=367&w=650&tbnid=UPbGbrvlB2orFM:&zoom=1&docid=B-NLWlhloze26M&ei=qKIbVJPUOs7e8AWJ54DoBA&tbm=isch&ved=0CCAQMygFMAU

http://www.google.com.au/imgres?imgurl=http://www.humorlaugh.com/pictures/6_most_terrifying_sinkhole_pictures/2085-1398059977_e0d9608b46_z.jpg&imgrefurl=http://funny-pictures.picphotos.net/the-most-terrifying-mountain-bike-trail-on-earth-misc-photography/img.xcitefun.net*users*2009*06*81585,xcitefun-the-most-terrifying-mountain-bike-trail-on-earth-4.jpg/&h=427&w=640&tbnid=BFgLay4dedFZ_M:&zoom=1&docid=7Dqk69r2a1f4cM&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CG0QMyhGMEY

http://www.google.com.au/imgres?imgurl=http://www.humorlaugh.com/pictures/6_most_terrifying_sinkhole_pictures/2085-1398059977_e0d9608b46_z.jpg&imgrefurl=http://funny-pictures.picphotos.net/the-most-terrifying-mountain-bike-trail-on-earth-misc-photography/img.xcitefun.net*users*2009*06*81585,xcitefun-the-most-terrifying-mountain-bike-trail-on-earth-4.jpg/&h=427&w=640&tbnid=BFgLay4dedFZ_M:&zoom=1&docid=7Dqk69r2a1f4cM&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CG0QMyhGMEY

http://www.google.com.au/imgres?imgurl=http://www.getfrank.co.nz/uploads/images/Halfwidth/NewFolder-4/_resampled/ResizedImage250375-chuck5.jpg&imgrefurl=http://www.getfrank.co.nz/editorial/features/get-frank-audience-interview-with-chuck-berry&h=375&w=250&tbnid=AZ1y-S-WtWXolM:&zoom=1&docid=8lPOvXJlBIVLDM&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CHUQMyhOME4

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http://www.google.com.au/imgres?imgurl=http://2.bp.blogspot.com/-jBY-cdBjiAA/ThBCMGonxJI/AAAAAAAAAdA/jc5gqGg_7cE/s1600/Xiaozhai+tiankeng+-+Chongqing+Municipality,+China.jpg&imgrefurl=http://geology.knoji.com/ten-marvelous-sinkholes-in-the-world/&h=352&w=470&tbnid=3kTBqDJ750LL1M:&zoom=1&docid=kewfsoWuEdkbKM&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CG8QMyhIMEg

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http://www.google.com.au/imgres?imgurl=http://i.ytimg.com/vi/nGkDouBVoLs/0.jpg&imgrefurl=http://article.wn.com/view/2014/05/13/Fire_truck_trapped_in_Bilgola_sinkhole/&h=360&w=480&tbnid=Bew8-bwSfOL45M:&zoom=1&docid=6iYm0Eu_LaKr6M&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CHIQMyhLMEs

http://www.google.com.au/imgres?imgurl=http://i.ytimg.com/vi/nGkDouBVoLs/0.jpg&imgrefurl=http://article.wn.com/view/2014/05/13/Fire_truck_trapped_in_Bilgola_sinkhole/&h=360&w=480&tbnid=Bew8-bwSfOL45M:&zoom=1&docid=6iYm0Eu_LaKr6M&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CHIQMyhLMEs

http://www.google.com.au/imgres?imgurl=http://www.mexconnect.com/assets/0000/2766/zacaton1_medium.jpg?1231859985&imgrefurl=http://www.mexconnect.com/articles/3026-did-you-know-mexico-has-the-deepest-water-filled-sinkhole-in-the-world-in-tamaulipas&h=369&w=400&tbnid=01neLOEEb_eChM:&zoom=1&docid=-G2dakMPreqK4M&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CEAQMygZMBk

http://www.google.com.au/imgres?imgurl=http://www.mexconnect.com/assets/0000/2766/zacaton1_medium.jpg?1231859985&imgrefurl=http://www.mexconnect.com/articles/3026-did-you-know-mexico-has-the-deepest-water-filled-sinkhole-in-the-world-in-tamaulipas&h=369&w=400&tbnid=01neLOEEb_eChM:&zoom=1&docid=-G2dakMPreqK4M&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CEAQMygZMBk

http://www.google.com.au/imgres?imgurl=http://static.ddmcdn.com/gif/sinkholes-picture-6.jpg&imgrefurl=http://news.discovery.com/earth/rocks-fossils/everything-you-need-to-know-about-sinkholes-130301.htm&h=470&w=660&tbnid=tjEVrPTMfcgrmM:&zoom=1&docid=o1mxoEt--OqgbM&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CEUQMygeMB4

http://www.google.com.au/imgres?imgurl=http://static.ddmcdn.com/gif/sinkholes-picture-6.jpg&imgrefurl=http://news.discovery.com/earth/rocks-fossils/everything-you-need-to-know-about-sinkholes-130301.htm&h=470&w=660&tbnid=tjEVrPTMfcgrmM:&zoom=1&docid=o1mxoEt--OqgbM&ei=96AbVJykAdHp8AWelILIDg&tbm=isch&ved=0CEUQMygeMB4

http://www.google.com.au/imgres?imgurl=http://cdn.offtrackplanet.com/legacy/012/cenotes/10569011374_7f2174c8c6_z.jpg&imgrefurl=http://offtrackplanet.com/magazine/articles/5-mind-blowing-natural-sinkholes-around-the-world&h=422&w=640&tbnid=DnH7MDpK_FsyUM:&zoom=1&docid=qnYptH6_ivh2hM&ei=V6EbVNnoOoS58gXPp4C4DA&tbm=isch&ved=0CE8QMyhHMEc4yAE

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http://www.google.com.au/imgres?imgurl=http://kosmix.co/static/08eb83ca49196ef808acabac42ebc6e4.gif&imgrefurl=http://kosmix.co/sinkholes/&h=628&w=800&tbnid=oaHmK3aly3P7XM:&zoom=1&docid=w9yR12e5zCf4lM&ei=KKEbVIaYFtW58gWvwYGgCQ&tbm=isch&ved=0CFMQMyhLMEs4ZA

http://www.google.com.au/imgres?imgurl=http://kosmix.co/static/08eb83ca49196ef808acabac42ebc6e4.gif&imgrefurl=http://kosmix.co/sinkholes/&h=628&w=800&tbnid=oaHmK3aly3P7XM:&zoom=1&docid=w9yR12e5zCf4lM&ei=KKEbVIaYFtW58gWvwYGgCQ&tbm=isch&ved=0CFMQMyhLMEs4ZA

sink holes

Science