Scope and Contents From the Series: his series consists of Audio-Visual materials produced by the Humboldt County office. The formats found within the series consist of photographic materials, Audio recordings and scrap albums. Photograph materials were used for documentation, outreach, and publication by the Humboldt County office. The subject of the photographs pertains Forestry research, wool growers’ association picnics, and other various projects. Audio Records consist of audio recordings of staffs appeared on KPLY. ...