Pumice airfall found (along with A LOT of bears). Fisher (71 cm white, 15 cm grey). Lower 20 cm white LL = 15x9mm. Upper 20 cm white LL = 19x10 mm. Tan pumice from top of tan airfall, E. whaleback.
Volcanism on Unimak Island, Alaska, USA: a special focus on Shishaldin and Fisher volcanoes