Survey books provide the calculations used to update parks maps and plans. They contain detailed elevations, distances, and bearings from specific survey points. Includes Field Survey Books 62-384.

Visual materials related to Forward Thrust planning and projects.

Photographic prints, negatives, and slides related to parks, activities in parks, and Parks Department personnel.Images are arranged alphabetically by subject and are a mix of prints, negatives and slides. Some are undated. Ninety-three images are digitized and available online.

Photographic prints and slides related to the Madrona Dance Studio, classroom activities, theatre productions, concerts, and craft classes. Also included are Dance Studio schedules, newsletters, correspondence, and draft brochures.

Sixty seven copy prints of Olmsted Brothers from the Frederick Law Olmsted National Historic Site of parks projects in Seattle desposited at SMA by Friends of Seattle's Olmsted Parks. Prints have been digitized and added to the Photograph Index for online access.

Committee meeting records maintained by Benson during his tenure as committee chair. Includes committee calendars with roster of issues and action taken, staff memoranda, correspondence, reports, and draft legislation relating to parks and recreation, and community oriented social services.

Correspondence, memoranda, reports, and reference materials relating to Benson and topics of particular interest to him. Major subjects include parks and recreation, traffic and transportation, and the Westlake Mall Project, the Downtown Seattle Transit Project, the University District Transportation Program, the Waterfront Streetcar, gun control, land use, and solid waste disposal.