An aerial photograph of flood waters during the Vanport flood with Mount St. Helens visible in the distance. Vanport City, once the second largest city in Oregon, was destroyed by a flood on May 30, 1948 when water breached a nearby section of the dike along the Columbia River. This photograph was part of a series of selected snapshots of "Vanport City, Ore. Destroyed by the Mighty Columbia River," sold as a set after the flood.

Bird's eye view of Portland with Mount Saint Helens visible in the distance.

Left panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867. Mount St. Helens is in the background.

Left panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867. Mount St. Helens is in the background. Duplicate of Mammoth 402, on a different mount.

Left panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867. Mount St. Helens is in the background. Duplicate of Mammoth 402, on a different mount.

A photograph showing the construction of the U.S. Government Buildings for the Lewis and Clark Exposition at Guild's Lake. Mount Saint Helens is visible in the distance.

Negative of a photographic postcard showing a log cabin in the forest. The cabin was a part of Spirit Lake Lodge, located at the base of Mount St. Helens in Washington. Handwriting on negative reads, "Log Cabin - Spirit Lake Lodge, Wn. Christian W-1185."

Photograph taken from a hillside, looking northeast from the Linnton community. Below is the Willamette River, houses, and various industrial buildings. A lumber yard can be seen on the east bank of the river, and Mt. Saint Helens is in the far distance (negative 9 of 31). Original sleeve title: Portland communities - Linnton.

A glass positive of Mount Saint Helens with trees and buildings visible in the foreground.

A photograph of Mount Saint Helens with the Willamette River in the foreground. Forested hills and a few buildings are also included.

A photograph of Mount Saint Helens. The foreground of the image includes trees, a barn in the foreground, and the Willamette River.

A photograph of Mount Saint Helens. The foreground of the image includes trees, buildings, and the Willamette River.

Photograph of Mount Saint Helens in Washington. Taken from a nearby peak. There are forested hills and a lake in the foreground. Handwriting on the back of the print reads, "Mt. St. Helens." Stamp on the back for Arthur M. Prentiss, Commercial Photographer.

Left panel of Carleton Watkins' 3-part panorama of Portland, Or., 1867. Mount St. Helens is in the background. Duplicate of Mammoth 402, on a different mount.

Pencil drawing of Mt. Rainier, Mt. St. Helens, and Mt. Adams from the top of Saddle Mountain.

Pencil sketch of the view of Mt. St. Helens and Mt. Adams from Scappoose Bay. Various parts of the drawing contain notes for adding detail.

Pencil sketch of the mouth of the Willamette River with a view of Mt. St. Helens in the distance. There is a boat in the water and two houses are visible on the left.

Pencil sketch of a farm with a view of Mt. St. Helens in the distance. A boat is visible in the water in the foreground and a small structure is visible on the land just beyond the boat.

Pencil drawing of Mt. St. Helens, Mt. Adams, and Mt. Hood viewed from the summit of Saddle Mountain.

A photograph of the Portland skyline from the west looking east that covers the same area as panels 4 and 5 of Henrichsen's 1903 Portland panorama. The Willamette River and Mount Saint Helens are visible.

A photograph of the Portland skyline from the west looking east that covers the same area as panels 4 and 5 of Henrichsen's 1903 Portland panorama. The Willamette River and Mount Saint Helens are visible.

A glass positive of the Portland skyline from the west looking east that covers the same area as panels 5 and 6 of Henrichsen's 1903 Portland panorama. The Willamette River and Mount Saint Helens are visible.

A bound volume containing a panoramic photograph of the city of Portland looking east from the heights of the west hills. There are 14 panels. The Willamette River, Mount Saint Helens, and Mount Hood are visible.

The fifth panel of a panorama of Portland taken from the heights west of the city looking east. The Willamette River and Mount Saint Helens are visible.

A shingle mill in the Kenton area, with a house display attached to the roof of the building. Stacks of wood can be seen around the building, and Mt. Saint Helens (?) is in the distance (negative 3 of 13). Portland communities - Kenton district.

Photograph of Spirit Lake and Mount Saint Helens in Washington. Taken from the shore of the lake. The lake is in the foreground and the mountain is behind it, reflected in the water. Handwriting on the back reads, "Mt. St. Helens Spirit Lake." Stamp on the back for Arthur M. Prentiss, Commercial Photographer.

Raw news footage of the eruption of Mount St. Helens.

Description provided by broadcaster: “The big eruption - slide sequence campsite - windshield - mountain and fast sequence

Camera - Don Stapleton, logs and river from river bank. Man pulls fish from river.

Toutle River - Long shot of mountain erupting ash. Eerie picture. Toutle River - road block. Logs and bridge.

Toutle flood, mountain and landscape in foreground. News people and other aircraft. Sea of mud. Small building in mud….. flying down river. Logs and debris, wall of gunk, highway, wide shots of mountain. Logs moving.

Long shot-mountain still in picture. One and scarcely see that the ash is moving. Static shot of eruption.”