Information:
Pictures:
- "MAMMOTH CAVE NATIONAL PARK TOURS, KY." Recreation.gov. Accessed December 18, 2015. http://www.recreation.gov/tourList.do?contractCode=NRSO&parkId=77817.
- United States. National Park Service. "A Brief History of Mammoth Cave." National Parks Service. December 16, 2015. Accessed December 18, 2015. http://www.nps.gov/maca/learn/historyculture/abriefhistoryofmammothcave.htm.
- "Mammoth Cave." Google Books. Accessed December 18, 2015. https://books.google.ca/books?id=1m9bRiB4iv8C&pg=PA34&lpg=PA34&dq=mammoth caves discovery timeline&source=bl&ots=wNVVRqlEQO&sig=6oKlfCdk1o2M17bvJMWgaB77lfQ&hl=en&sa=X&ved=0CD8Q6AEwBmoVChMImvLgx5aHyQIVAogaCh12XA-P#v=onepage&q=mammoth caves discovery.
Pictures:
- https://www.google.ca/search?q=floyd+collins+mammoth+caves&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjSjKbqreTJAhUGXR4KH QGxBKEQ_AUIBygB&biw=1280&bih=603#imgrc=7pfaW2VlPltu8M%3A
- https://www.google.ca/search?q=lost+john+mammoth+cave&biw=1280&bih=603&source=lnms&tbm=isch&sa=X&sqi=2&ved=0ahUKEwiz 25bSruTJAhUHph4KHZsbCUgQ_AUIBigB#imgdii=4DlFWuMmRkYBAM%3A%3B4DlFWuMmRkYBAM%3A%3Be8JtvI MYhAYQYM%3A&imgrc=4DlFWuMmRkYBAM%
- http://www.nps.gov/maca/learn/historyculture/black-history.htm
- http://www.jessstryker.com/national-parks/mammoth-cave/
- https://www.google.ca/search?q=stephen+bishop+mammoth+caves&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjA5LydsuTJAhVBKB4K Heu3CzoQ_AUIBygB&biw=1280&bih=603#imgrc=t2HXKEnye9JTaM%3A
- https://www.google.ca/search?q=john+e+bell+stagecoach&biw=1280&bih=603&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjDrPvPtO TJAhVLFR4KHRy5DfQQ_AUIBygC#tbm=isch&q=mammoth+caves+stagecoach&imgrc=H-REiprMzn0O3 M%3A
- http://fritzmonroe.com/camping/mammoth-cave-campground-june-2013/
- https://www.tripadvisor.ca/Attraction_Review-g39519-d6761405-Reviews-Mammoth_Onyx_Cave-Horse_Cave_Kentucky.html
- http://www.nps.gov/getaways/maca/
- https://www.tripadvisor.ca/Attraction_Review-g143043-d3729638-Reviews-Gothic_Avenue_Tour-Mammoth_Cave_National_Park_Kentucky.html
- https://www.google.ca/search?q=domes+and+dripstones+tor&source=lnms&tbm=isch&sa=X&ved=0ahUKEwianMWpu-TJAhWEFx4KHQJyBFcQ_AUIBygB&biw=1280&bih=603#imgrc=jIRzTlAJtoEYQM%3A
- http://www.nps.gov/maca/learn/news/fee-free-days.htm
- https://www.google.ca/search?q=grand+avenue+tour&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiu_5eBvuTJAhXJqR4KHXgrAfAQ_A UIBygB&biw=1280&bih=603#imgrc=giG8SELCpkfb7M%3A
- https://www.google.ca/search?q=introduction+to+caving+tour&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjTr-aCv-TJAhWFkx4KHRkWBd0Q_AUICCgC&biw=1280&bih=603#tbm=isch&q=introduction+to+caving+tour+mam moth+cave&imgrc=dB9T_mNO_ka76M%3A