Also known as the Hannukkah Eve Windstorm, this weather event caused wide-spread power outages and significant damage throughout the City of Seattle and the surrounding areas.

Photographs of proposed Grand Coulee dam site on the Columbia River and surrounding area.

Records relating to flood control in the basin of the Duwamish and Green Rivers, 1922-1975.

Compiled by the City Photographers, ImageBank makes up a large portion of the Photo Archives digital collection with more than 10,000 images.

Photograph albums, 1919-1936, illustrating the planning and construction of Gorge and Diablo Dams and their respective power houses on the Skagit River.

Collection documents Department of Planning and Development efforts to protect trees and plant life.

The Seattle City Light Department History File, 1894-1972, consists of correspondence, typed histories, reports, newspaper clippings, and pamphlets related to the history of Seattle City Light.

Images of damage to transmission poles and transformers caused by auto accidents and weather-related incidents.

Photographs of Masonry Dam construction, including construction workers and equipment, dam site, clearcutting, trains and railroads, and bridges.

Records relating to the Skagit Youth Camp run by Seattle City Light, 1991-1996, including memoranda, reports, promotional materials, and meeting minutes. Camper recruitment, program proposals, finances, and staff are among the subjects covered.

Hydrographic reports of the Cedar River

Correspondence, memoranda, reports, studies, and agreements relating to Seattle Water Department activities and projects.

Contents of a scrapbook documenting efforts by the Seattle Water Department to monitor and improve water quality.