Alan Mount

http://www.americanparknetwork.com/parkinfo/ru/flora/index.html

http://www.history.com/news/mount-rushmores-secret-chamber

http://www.holoscenes.com/gallery5.html

http://www.indiancountrytoday.com/archive/28172949.html

http://www.keystonechamber.com/kahs/characters.html

http://www.luigimountrushmore.com

http://www.mountrushmoreinfo.com/

http://www.ohranger.com/mount-rushmore/making-mount-rushmore

http://www.outdoorplaces.com/Destination/USNP/sdmtrsh/index.htm

http://www.peakbagger.com/peak.aspx?pid=6234

http://www.sdhspress.com/journal/south-dakota-history-14-1/dakota-images-benjamin-black-elk/vol-14-no-1-dakota-images-benjamin-black-elk.pdf

http://www.southdakota.com/most-popular-attractions/

http://www.southdakotamagazine.com/slight-of-hand

http://traveltips.usatoday.com/mount-rushmore-south-dakota-tourists-12916.html

http://www.weather.com/weather/wxclimatology/monthly/USSD0232

http://arago.si.edu/index.asp?con=2&cmd=1&id=145349

http://casoilresource.lawr.ucdavis.edu/gmap/

http://www.presidency.ucsb.edu/ws/index.php?pid=29656

http://iml.jou.ufl.edu/projects/students/Ahmann/rushmore.html

http://www.nws.noaa.gov/climate/xmacis.php?wfo=unr

http://www.nature.nps.gov/geology/parks/moru/

http://www.nps.gov/archive/moru/park_history/carving_hist/hall_of_records.htm

http://www.nps.gov/archive/moru/park_history/carving_hist/workers.htm

http://www.nps.gov/archive/moru/travel_info/weather_hist.htm

http://www.nps.gov/moru

http://www.nps.gov/moru/faqs.htm

http://www.nps.gov/moru/historyculture/carving-history.htm

http://www.nps.gov/moru/learn/historyculture/upload/THE-BURKETT-PLAQUE.pdf

http://www.nps.gov/moru/naturescience/amphibians.htm

http://www.nps.gov/moru/naturescience/animals.htm

http://www.nps.gov/moru/naturescience/plants.htm

http://www.nps.gov/moru/naturescience/upload/rock%20block%20display%20true%20size-2.pdf

http://www.nps.gov/moru/naturescience/upload/wildlife%20safety%20correct%20size-2.pdf

http://www.cabinetmagazine.org/issues/7/sixgrandfathers.php

http://archive.cyark.org/mount-rushmore-national-memorial-intro

http://www.engineeringsights.org/SightDetail.asp?Sightid=526&id=SD&view=s&name=South+Dakota&page=1&image=0

http://www.garden.org/zipzone/index.php?img=nwusa

http://www-tc.pbs.org/nationalparks/media/pdfs/untold_stories_mount_rushmore.pdf

http://t3.preservice.org/T0211461/history/

http://tools.wmflabs.org/geohack/geohack.php?pagename=Mount_Rushmore&params=43_52_44_N_103_27_35_W_type:landmark_region:US-SD_dim:2km

https://www.nytimes.com/2016/06/29/nyregion/luigi-del-bianco-mount-rushmore.html

https://www.sdhspress.com/journal/south-dakota-history-37-4/designing-for-south-dakota-and-the-upper-midwest-the-career-of-architect-harold-t-spitznagel-1930-1974/vol-37-no-4-designing-for-south-dakota-and-the-upper-midwest.pdf

https://www.washingtonpost.com/wp-dyn/content/article/2005/07/10/AR2005071000754.html

https://www.wsj.com/articles/SB115290739146207240?mod=todays_us_pursuits

https://irma.nps.gov/DataStore/DownloadFile/465700

https://www.nps.gov/moru/

https://www.nps.gov/moru/learn/historyculture/preservation.htm

https://www.nps.gov/moru/learn/management/statistics.htm

https://geonames.usgs.gov/apex/f?p=gnispq

https://web.archive.org/web/20060514075853/http://t3.preservice.org/T0211461/history/

https://web.archive.org/web/20060909061644/http://www.keystonechamber.com/kahs/characters.html

https://web.archive.org/web/20061010135902/http://www.nps.gov/archive/moru/park_history/carving_hist/carving_history.htm

https://web.archive.org/web/20070312115239/http://www.nps.gov/archive/moru/pphtml/subnaturalfeatures25.html

https://web.archive.org/web/20070312115249/http://www.nps.gov/archive/moru/pphtml/subnaturalfeatures32.html

https://web.archive.org/web/20071011230039/http://nps.gov/archive/moru/park_history/carving_hist/hall_of_records.htm

https://web.archive.org/web/20071212031013/http://www.americanparknetwork.com/parkinfo/ru/flora/index.html

https://web.archive.org/web/20080616091103/http://www.nps.gov/archive/moru/pphtml/subenvironmentalfactors13.html

https://web.archive.org/web/20080706092640/http://www.nps.gov/archive/moru/travel_info/weather_hist.htm

https://web.archive.org/web/20080801031839/http://www.nps.gov/archive/moru/park_history/carving_hist/workers.htm

https://web.archive.org/web/20100413223326/http://www.pbs.org/wgbh/amex/rushmore/peopleevents/e_stonemtn.html

https://web.archive.org/web/20100808193845/http://www.indiancountrytoday.com/archive/28172949.html

https://web.archive.org/web/20151018095719/http://www-tc.pbs.org/nationalparks/media/pdfs/untold_stories_mount_rushmore.pdf

https://web.archive.org/web/20160311133645/http://www.mareetmartin.com/livre/_les-visages-de-l-amerique

https://www.pbs.org/wgbh/americanexperience/features/biography/rushmore-norbeck/

https://www.pbs.org/wgbh/americanexperience/features/transcript/rushmore-transcript/

https://www.pbs.org/wgbh/amex/rushmore/peopleevents/e_stonemtn.html

https://www.pbs.org/wgbh/amex/rushmore/timeline/timeline2.html