Skip to main content

Christiansen, Robert L.

thumbnail
Index card: Aerial view southeast of approximately upper half of Mount St. Helens; lower half and surrounding countryside obscured by cloud cover. View shows bulge, summit crater, ashfall on slopes. Skamania County, Washington. (End of plane wing visible in lower left).
thumbnail
Index card: Mount St. Helens in eruption: aerial view from the southwest of the volcano looking north. More of the rim and eruptive plume are visible than in photo no. 6ct (msh_crl00006_ct). 1730 hrs PDT. Skamania County, Washington. May 18, 1980. (Part of plane visible in lower right and in upper right corner).
thumbnail
Index card: Mount St. Helens in eruption: aerial view to the east showing upper part of volcano, eruptive column reduced in height; ash cloud spreading to left. 1803 hrs PDT. Skamania County, Washington. May 18, 1980. (Tip of plane wing just visible at left edge).
thumbnail
Index card: Mount St. Helens in eruption: aerial view looking north showing south side of volcano, eruptive plume dirfting north and east, ash cloud and plumes from phreatic evens over pumice plain. 1923 hrs PDT. Skamania County, Washington. May 18, 1980. (End of plane wing visible at bottom).
thumbnail
Index card: Mount St. Helens in eruption: aerial view of west flank looking north. Part of eruptive colum at right, ash cloud in center. 1752 hrs PDT. Skamania County, Washington. May 18, 1980. (Part of plane wing visible at right).
View more...
ScienceBase brings together the best information it can find about USGS researchers and offices to show connections to publications, projects, and data. We are still working to improve this process and information is by no means complete. If you don't see everything you know is associated with you, a colleague, or your office, please be patient while we work to connect the dots. Feel free to contact sciencebase@usgs.gov.