This collection consists of glass plate negatives donated by Bert Seymour and photographer David W. Hill. Both donations include images captured by local photographers John C. Brewster and Waldo Henry Dingman, Sr. The collection is composed entirely of glass plate negatives, mostly gelatin glass negatives, and some photographic prints. The images are of various Ventura County locations, historic sites, persons, and events, such as parades and community celebrations.