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Historic Listing of NPS Park, Program, and Office Codes
- Type: Article
This guide provides a current and historic listing of National Park Service (NPS) three- or four-letter codes used to represent parks, programs, and regional offices. It is intended to be used together with NPS History Collection finding aids for collections which include these codes, although it may be useful for other purposes.
- Type: Article

Margaret is one of Hampton’s longest serving volunteers and has seen nearly 40 years of change in the park, its visitation, and how the site’s collection of historic structures and over 45,000-object collection are used to interpret the stories of those who lived and labored at the once 25,000-acre plantation.
Patrick J Mogan Cultural Center
Guide to NPS Director's Office Newsletters
- Type: Article
This finding aid describes the National Park Service Director's Office Newsletter Collection, part of the NPS History Collection.
- Type: Article

In early October, biologists with the San Francisco Bay Area Network Coho & Steelhead Monitoring Program assisted the California Department of Fish & Wildlife in collecting 40 juvenile coho salmon from Olema Creek. Now, these fish are living in the Don Clausen Fish Hatchery located at Lake Sonoma in Sonoma County.
Thirty Years of Farmworker Struggle
- Type: Article

Labor organizing has a long history in agriculture. Between 1930 and 1960, diverse groups of farmworkers in California struggled to form unions and to take collective action for better wages and working conditions. This article highlights the political and legal structures that made organizing in the fields especially difficult.