Chapter 12
Volcanoes--The Askja Volcano--Large Fissure in Midge Lake Desert--Krafla--Skaptar-Jökull--Great Eruption of 1783--Hecla--Thermal Springs--The Usahver, 147
APPENDIX.
'Geysers'--Dr George Harley, F.R.S., 157
A GIRL'S RIDE IN ICELAND.
Volcanoes--The Askja Volcano--Large Fissure in Midge Lake Desert--Krafla--Skaptar-Jökull--Great Eruption of 1783--Hecla--Thermal Springs--The Usahver, 147
APPENDIX.
'Geysers'--Dr George Harley, F.R.S., 157
A GIRL'S RIDE IN ICELAND.