Natural History of the Pacific Northwest

173 items in this album on 20 pages  9  First Previous   4  5  6  7  8  9  10  11  12  13  14   Next Last View of Paulina Lake (between snow flurries) View of East Lake and obsidian flow View of upper part of obsidian flow Terminus of flow (age: 1300 YBP) View of flow and Paulina Lake View of flow and Paulina Peak (7985') Rock formations in flow Close-up of pumice formations Chris in tree cast First Previous   4  5  6  7  8  9  10  11  12  13  14   Next Last