http://nationalparkstraveler.com/2008/06/threats-parks-hawaii-volcanoes-national-park-struggles-invasive-plants
www.nps.gov
ctahr.hawaii.edu
http://hvo.wr.usgs.gov/maunaloa/
http://hvo.wr.usgs.gov/kilauea/
www.history.com (picture)
http://travel.nationalgeographic.com/travel/national-parks/hawaii-volcanoes-national-park/
www.fukubonsai.com (picture)
en.wikipedia.org/wiki/File:Hawaii_in_United_States_(zoom)_(US50)_(-grid).svg (used for map)
www.ducks.org
www.afrazie0.wix.com (picture)
www.nps.gov
ctahr.hawaii.edu
http://hvo.wr.usgs.gov/maunaloa/
http://hvo.wr.usgs.gov/kilauea/
www.history.com (picture)
http://travel.nationalgeographic.com/travel/national-parks/hawaii-volcanoes-national-park/
www.fukubonsai.com (picture)
en.wikipedia.org/wiki/File:Hawaii_in_United_States_(zoom)_(US50)_(-grid).svg (used for map)
www.ducks.org
www.afrazie0.wix.com (picture)