Lava Beds National Park
https://www.nps.gov/labe/index.htm

Nat. Park alerts /conditions
https://www.nps.gov/labe/planyourvisit/conditions.htm

Camping information
https://www.nps.gov/labe/planyourvisit/campgrounds.htm

Lava beds Pet policy
https://www.nps.gov/labe/planyourvisit/pets.htm

USGS website for the Medicine Lake Volcano
https://volcanoes.usgs.gov/volcanoes/medicine_lake/

USGS Geology field trip guide
https://pubs.usgs.gov/sir/2017/5022/k1/sir20175022k1.pdf

The Virtual Lava Tube (part of Dave Bunnell’s Virtual Cave website)
http://www.goodearthgraphics.com/virtual_tube/virtube.html

Cave Research Foundation
http://www.cave-research.org/aboutcrf.php

Western Region
http://caves.org/region/western/

NSS
http://caves.org/