Taking temperature reading at Mount Washington observatory Image Read more about Taking temperature reading at Mount Washington observatory
Mount Washington observatory member inspecting snow gauge, verso Image Read more about Mount Washington observatory member inspecting snow gauge, verso
Mount Washington observatory member inspecting snow gauge Image Read more about Mount Washington observatory member inspecting snow gauge
Pond surrounded by seasonal snow, verso Image Read more about Pond surrounded by seasonal snow, verso
Ripple marks on gravel covered snow, copy 1 Image Read more about Ripple marks on gravel covered snow, copy 1
Diagram of sections showing structure of snow Image Read more about Diagram of sections showing structure of snow