PE: p. 110 #20, 22

EM: p. 77 #1, 2
p. 79 #1, 2, 3, 4acd

Hawaiian volcanoes:
http://hvo.wr.usgs.gov/
http://hvo.wr.usgs.gov/volcanoes/http://hvo.wr.usgs.gov/hazards/types/main.html
http://hvo.wr.usgs.gov/maunaloa/hazards/main.html

Types of volcanoes:
http://vulcan.wr.usgs.gov/Glossary/VolcanoTypes/framework.html
http://pubs.usgs.gov/gip/volc/types.html
http://vulcan.wr.usgs.gov/Glossary/PlateTectonics/framework.html

Intrusive/Extrusive features:
http://courses.unt.edu/hwilliams/GEOG_3350/examreviews/volcanic_structures.htm
http://www.maroon.com/bigbend/ig/index.html
http://www.scienceclarified.com/landforms/images/ueol_03_img0121.jpg
http://www.uwsp.edu/geo/faculty/ritter/glossary/v_z/volcanic_neck.html
http://www.geo.vu.nl/~rondeel/Geology/3-minerals&rocks/Intrusive_volcanic_neck.jpg