Prints of infrared aerial photographic survey showing heat and energy loss throughout Seattle. The flight includes 1250 images. Aerial Thermal Study.

Aerial photographs of the Skagit River in British Columbia taken prior to increasing the water height of Ross Lake Reservoir which resulted from completing step 3 construction of Ross Dam. The 70 exposures were shot from 12,000 feet by Aero Surveys, Ltd. of Vancouver, B.C. The photographs document the course of the river, topography of the area, and vegetation adjacent the river.

Aerial photography of the Seattle area, taken by commercial aerial surveyors. Includes images from 22 separate flights. Photos appear complete for flights in 1968, 1969, and 1973, for a 1969 survey of the University of Washington neighborhood.

Planning Commission Photographs depict Seattle neighborhoods, roads, parks, and marinas; also included are photographs of display materials and photographs related to land use.

Aerial photographs of Seattle Watershed and Pipeline.

Photographs and slides documenting preconstruction and construction of the West Seattle Freeway Bridge, 1980-1983.