National Park Service
Cacti / desert succulents
Last updated 07/09/15
URL : http://www.nps.gov/deva/learn/nature/cacti.htm
Accessed 11/09/15
Mojave desert
Barrel Cactus
Last updated ???
URL : http://mojavedesert.net/cactus/barrel.html
Accessed 11/09/15
National Park Service
Hottest, driest, lowest
Last updated 12/09/15
URL :http://www.nps.gov/deva/index.htm
Accessed 10/09/15
Wikipedia
Death Valley
Last updated 08/09/15
URL : https://en.wikipedia.org/wiki/Death_Valley
Accessed
Mojave desert
Mining in Death Valley
Last updated ???
URL: http://digital-desert.com/death-valley-history/mining-history.html
Accessed 9/09/15
Cacti / desert succulents
Last updated 07/09/15
URL : http://www.nps.gov/deva/learn/nature/cacti.htm
Accessed 11/09/15
Mojave desert
Barrel Cactus
Last updated ???
URL : http://mojavedesert.net/cactus/barrel.html
Accessed 11/09/15
National Park Service
Hottest, driest, lowest
Last updated 12/09/15
URL :http://www.nps.gov/deva/index.htm
Accessed 10/09/15
Wikipedia
Death Valley
Last updated 08/09/15
URL : https://en.wikipedia.org/wiki/Death_Valley
Accessed
Mojave desert
Mining in Death Valley
Last updated ???
URL: http://digital-desert.com/death-valley-history/mining-history.html
Accessed 9/09/15