Geologi
Lenker
http://www.robertsmithson.com/earthworks/spiral_jetty.htm
https://en.wikipedia.org/wiki/Spiral_Jetty
http://michaeljosephowens.blogspot.no/2006_04_01_archive.html
https://www.khanacademy.org/humanities/art-1010/minimalism-earthworks/v/smithson-spiral-jetty-1970
http://earthworksnearyou.blogspot.no/2009_05_01_archive.html
http://earthworksnearyou.blogspot.no/2009/02/thinking-about-claudia-angelmaier-and.html
https://news.artnet.com/art-world/robert-smithsons-spiral-jetty-drought-336138
http://www.sculpture.org/documents/scmag04/julaug04/spiraljetty/julaug04_spiraljetty.shtml
http://www.kenney-mencher.com/pic_old/20th_century/earthworks.htm
http://thefibonaccisequence.weebly.com/mona-lisa.html
http://entropymag.org/the-concept-world-is-no-longer-operational/
https://en.wikipedia.org/wiki/Foundation_series
http://io9.gizmodo.com/5799785/foundations-edge-by-isaac-asimov-the-end-is-the-beginning-is-the-end
http://lkleincourses.lmc.gatech.edu/dh12/author/bcecere3/
https://www.emaze.com/@AOCOCITI/ASIMOV
https://www.youtube.com/watch?v=oIUo51qXuPQ
http://www.visualnews.com/2014/02/16/rediscovered-land-art-egypt-beautiful-geometry-desert-breath/
http://www.thelivingmoon.com/45jack_files/03files/Google_Oddity_Collection_Page_03.html
https://en.wikipedia.org/wiki/Desert_Breath
http://robertsmithson.tumblr.com/page/2
http://www.walkerart.org/collections/artists/robert-smithson
http://theredlist.com/wiki-2-351-382-1160-1122-view-usa-profile-smithson-robert.html
http://www.geologicnow.com/27_Turpin.php
http://www.robertsmithson.com/essays/crystal.htm
http://www.renaissancesociety.org/exhibitions/288/robert-smithson-mirror-salt-works/
http://pmc.iath.virginia.edu/issue.105/15.2altieri.html
http://markdanielharley.tumblr.com/post/23670956617/robert-smithson-non-site-pallisades-edgewater
https://fopnews.wordpress.com/2010/09/26/stepping-into-time-geologic-city-report-4/
http://richardlonglandartist.tumblr.com/
http://www.tate.org.uk/context-comment/articles/gallery-lost-art-robert-smithson
http://www.robertsmithson.com/essays/partially_500.htm
http://clui.org/ludb/site/partially-buried-woodshed
https://www.youtube.com/watch?v=9KXbUVekRg4
https://fionalenore.wordpress.com/2016/02/12/smithson/
http://canadianart.ca/features/robert-smithsons-vancouver-sojourn-glue-pour-1970/
http://www.firstpulseprojects.net/Out-of-the-Blue/Ephemera-Smithson.html
http://newabstraction.net/2012/10/08/abstraction-and-time/
http://www.robertsmithson.com/earthworks/asphalt.htm
http://vlf.tumblr.com/post/92819964109
http://robertsmithson.tumblr.com/
https://en.wikipedia.org/wiki/Bingham_Canyon_Mine
http://trydersmith.org/film-tv/monuments/
https://www.flickr.com/photos/locosteve/galleries/72157624784160100/ - photo_4178381862
http://www.amusingplanet.com/2013/04/abandoned-mir-diamond-mine-in-russia.html
http://moremilkyvette.blogspot.no/2008/08/robert-smithsons-underground-cinema.html
http://www.cabinetmagazine.org/issues/30/chamberlain.php
https://dprbcn.wordpress.com/2012/01/12/abnormal-subterranea/
http://www.trueanomalies.com/a-journey-to-the-center-of-the-earth/
https://en.wikipedia.org/wiki/Journey_to_the_Center_of_the_Earth_(1959_film)
http://classicfilmfreak.tumblr.com/post/58100663269/new-post-has-been-published-on
https://www.cineplex.com/Movie/journey-to-the-center-of-the-earth
https://www.youtube.com/watch?v=WF8Bf1d_crk&list=PLMmkajtPjXTjzlAMwYOGkLNuUr4aF1_TC
http://cinapse.co/2015/04/08/journey-center-earth-blu-ray-review/
http://ngm.nationalgeographic.com/2008/11/crystal-giants/shea-text
https://www.youtube.com/watch?v=SFiZWTJ1eSg
https://www.youtube.com/watch?v=RIzDxmkoH-U
http://www.dailymail.co.uk/sciencetech/article-2510546/Hole-40-years.html
http://archive.boston.com/bigpicture/2011/02/nyiragongo_crater_journey_to_t.html
http://www.huffingtonpost.com/2014/09/05/volcano-gopro-george-kourounis-sam-cossman_n_5774706.html
http://www.notey.com/blogs/volcanoes
http://beautifulnow.is/bnow/spectacular-orange-pyrotechnics-from-below-and-above-now
http://geology.com/articles/highest-point-on-mars.shtml
http://solarviews.com/eng/marsvolc.htm
https://en.wikipedia.org/wiki/Olympus_Mons
http://volcano.oregonstate.edu/oldroot/volcanoes/planet_volcano/lunar/Overview.html
http://science.nasa.gov/science-news/science-at-nasa/2014/24nov_imps/
https://www.youtube.com/watch?v=53TGz30Z1sM&feature=youtu.be
http://www.space.com/27424-volcanoes-on-moon-dinosaur-age.html
http://news.nationalgeographic.com/news/2010/09/100917-science-space-moon-new-volcano-rocks/
https://the-moon.wikispaces.com/LPOD+May+11,+2008
http://io9.gizmodo.com/5613129/unusual-moon-crater-could-be-the-first-lunar-volcano-discovered
http://geology.com/volcanoes/vesuvius/
https://en.wikipedia.org/wiki/Mount_Vesuvius
http://www.cbsnews.com/pictures/the-day-vesuvius-blew-its-top/
https://en.wikipedia.org/wiki/Pompeii
https://news.artnet.com/art-world/pompeii-restoration-approved-323815
http://archaeology.institute/038-anthropology-of-the-death-at-pompeii.asp
http://blogs.getty.edu/iris/volcano-observer-sir-william-hamilton-and-mount-vesuvius/
http://www.warwingsart.com/12thAirForce/Vesuvius.html
https://apetcher.wordpress.com/2010/03/25/sorrento-vesuvius/
https://fr.wikipedia.org/wiki/Broken_Circle/Spiral_Hill
http://www.e-flux.com/announcements/robert-smithsons-broken-circlespiral-hill/
http://pdome.org/2014/sitesightcite-the-cinema-of-nancy-holt/
http://www.robertsmithson.com/drawings/spiral_hill_broken_circle_800.htm
http://www.kunstbeeld.nl/nl/nieuws/17068/robert-smithson-cbk-emmen.html
http://cinoh.tumblr.com/post/86167117276
http://virtualglobetrotting.com/map/amarillo-ramp-by-robert-smithson-1/view/google/