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. Trees, buildings, and the Willamette River are visible.

A glass positive of the Portland skyline from the west looking east that covers the same area as panels 6 and 7 of Henrichsen's 1903 Portland panorama. Trees, buildings, and the Willamette River are visible.

A photograph of the Portland skyline from the west looking east that covers the same area as panels 6 and 7 of Henrichsen's 1903 Portland panorama. Pacific Coast Coal Company and the Willamette River are visible.

A glass positive of the Portland skyline from the west looking east that covers the same area as panels 7 and 8 of Henrichsen's 1903 Portland panorama. Pacific Coast Coal Company and the Willamette River are visible.

A photograph of the Portland skyline from the west looking east that covers the same area as panels 10 and 11 of Henrichsen's 1903 Portland panorama. The Morrison Street Bridge, Madison Street Bridge, Meier & Frank, the Oregonian building, and the Willamette River are visible.

A glass positive of the Portland skyline from the west looking east that covers the same area as panels 11 and 12 of Henrichsen's 1903 Portland panorama. The Madison Street Bridge and the Willamette River are visible.

The sixth panel of a panorama of Portland taken from the heights west of the city looking east. Buildings, trees, and the Willamette River are visible.

A glass positive of the eleventh panel of a panorama of Portland taken from the heights west of the city looking east. The Willamette River, the Morrison Street Bridge, and the Madison Street Bridge are visible. Morrison Street is visible in the bottom left corner.

A glass positive of the twelfth panel of a panorama of Portland taken from the heights west of the city looking east. Buildings, trees, and the Willamette River are visible.

A glass positive of the Portland skyline from the west looking east that covers the same area as panels 3 and 4 of Henrichsen's 1903 Portland panorama. Trees, buildings, and the Willamette River 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 photograph of the Portland skyline from the west looking east that covers the same area as panels 7 and 8 of Henrichsen's 1903 Portland panorama. Trees, buildings, and the Willamette River are visible.

A photograph of the Portland skyline from the west looking east that covers the same area as panels 9 and 10 of Henrichsen's 1903 Portland panorama. Mount Hood, Pacific Coast Biscuit Co., the Oregonian building, and the Willamette River are visible.

A glass positive of the Portland skyline from the west looking east that covers the same area as panels 10 and 11 of Henrichsen's 1903 Portland panorama. Mount Hood, the Willamette River, and the Morrison Street Bridge are visible. Various businesses are visible, including Pacific Coast Biscuit Co., Meier & Frank, and the Oregonian building.

A photograph of the Portland skyline from the west looking east that covers the same area as panels 11 and 12 of Henrichsen's 1903 Portland panorama. Buildings, trees, and the Willamette River are visible.

The first panel of a panorama of Portland taken from the heights west of the city looking east. Guild's Lake and the Willamette River are visible.

The fourth panel of a panorama of Portland taken from the heights west of the city looking east. The Portland flour mills and the Willamette River are visible.

The eighth panel of a panorama of Portland taken from the heights west of the city looking east. Buildings, trees, and the Willamette River are visible.

The eleventh panel of a panorama of Portland taken from the heights west of the city looking east. The Willamette River, the Morrison Street Bridge, and the Madison Street Bridge are visible. Morrison Street is visible in the bottom left corner.

The twelfth panel of a panorama of Portland taken from the heights west of the city looking east. Buildings, trees, and the Willamette River are visible.

A photograph 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. Trees, buildings, and the Willamette River are visible.

A photograph of the Portland skyline from the west looking east that covers the same area as panels 8 and 9 of Henrichsen's 1903 Portland panorama. Union station, the 1888 Steel Bridge, and the Willamette River are visible.

Photograph showing the water circulation system at Station E (northwest Portland, near the intersection of NW 21st Avenue and NW Sherlock Avenue). A man looks at the camera while a pipe sprays a stream of water into the river. Several large ships and barges can be seen in the distance.

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.

A view of the Portland waterfront from the east side. Ships and houseboats are visible.

View of bare cottonwood trees along the Willamette River.