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The color codes are:
Red – documented eruption
Orange – suspected eruption
Dark blue – fumaroles, measured at or near boiling point
Light blue – fumaroles, unknown temperature
Green – deformation
Yellow – earthquake swarm
Orders or inquiries can be sent to dggspubs@dnr.state.ak.us. Each deck is $6.
Alaska Division of Geological & Geophysical Surveys
3354 College Road
Fairbanks, Alaska 99709
Phone 907-451-5007 / Fax 907-451-5223
http://www.dggs.dnr.state.ak.usThanks to Rod Combellick, Deputy Director of DGGS for cluing us in on this
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