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Oregon State University
Special Collections and Archives
Research Center

Zoller Hop Company Records, 1900-2006View associated digital content.

Predominant Dates: 1909-1950

The Zoller Hop Company Records consists of records and materials created and assembled throughout the first half of the 20th century. The collection contains records of business operations: correspondence and management files, photographs of fields and community events, and digitized versions of two films.

The Zoller Hop Company was located in Independence, Oregon, the “Hop Capital of the World’ during the first half of the 20th century. The company was later owned by Donal MacCarthy and the name was changed to “D.P. MacCarthy & Son.”

The two films have been digitized and are available online: "Spring hop field operations and fall harvest," 1931 and "Harvesting and processing," 1945.

ID: MSS Zoller
Extent: 1.5 cubic feet
More Extent Information
Scope and Content Notes
Biographical / Historical Notes
Statement on Access: Collection is open for research.
Statement on Description: Framed items were kept in frames for exhibit purposes.
Preferred Citation: Zoller Hop Company Records (MSS Zoller), Oregon State University Special Collections and Archives Research Center, Corvallis, Oregon.
Acquisition Note: Collection purchased in 2017 and 2018. Addition of photographs and company records in 2021.
Acquired: 2017.
Languages of Materials

Container List

Series 1: Company Management, 1909-1925 Add to Shelf
The “Company Management” series is composed of business correspondence between C.H. Zoller and the Donal MacCarthy which discuss multiple topics such as market conditions and transportation. Also included are operational records and community events within the town of Independence, Oregon.
Box-Folder 1.01: Correspondence and Operational Records, 1909-1913 Add to Shelf
Box-Folder 1.02: Correspondence and Operational Records, 1914 Add to Shelf
Box-Folder 1.03: Correspondence and Operational Records, 1915 Add to Shelf
Includes farm diary.
Box-Folder 1.04: Correspondence and Operational Records, 1916 Add to Shelf
Box-Folder 1.05: Correspondence and Operational Records, 1917 Add to Shelf
Box-Folder 2.01: Correspondence and Operational Records, 1918 Add to Shelf
Box-Folder 2.02: Correspondence and Operational Records, 1919-1925 Add to Shelf
Box-Folder 2.03: Picker Announcement, Undated Add to Shelf
Zoller Hop Company, and E. Clemens Horst Eola Ranch.
Box-Folder 2.04: Hop Men's Banquet, 1931 Add to Shelf
Box-Folder 3.01: Newsclippings, 1953 Add to Shelf
Box-Folder 3.02: Certificate, 1951 Add to Shelf
Monmouth Cooperative Warehouse capital stock certificate for Eugene and D.P. MacCarthy.
Box-Folder 3.03: Monthly accounting, 1911 Add to Shelf
Series 2: Artifacts, circa 1900-1954 Add to Shelf
This series contains some artifacts from the Zoller Hop Co. Included are company stationary, weight tickets for the pickers, and registration cards.
Box-Folder 2.05: Blank Company Stationary, c. 1900-1954 Add to Shelf
Box-Folder 2.06: Blank Field Weight Tickets, and Registration Cards, c. 1918-1954 Add to Shelf
Series 3: Photographs, circa 1900-1958 Add to Shelf
This series is comprised of photographs collected as the Zoller Hop Company grew and later became the D.P. MacCarthy & Son. Enclosed are pictures from community events and the fields, along with photograph of a painting by E.S. Whelan. Panoramic photographs are in original period frames.
Box-Folder 2.07: Field Photos, c. 1900-1950 Add to Shelf
Box-Folder 2.08: Event Photos, 1936-1953 Add to Shelf
Box-Folder 2.09: E.S. Whelan Painting, 1958 Add to Shelf
Box-Item 4.1-4.2: Panoramic photographs, circa 1930 Add to Shelf
Framed photographs.
Series 4: Scrapbook, circa 1905-2006 Add to Shelf
Scrapbook includes photographs and ephemera, as well as descriptive annotations written by Claire Rogers MacCarthy in 2006. (9 pages, 36 pictures)
Box-Item 3: Scrapbook, circa 1905-2006 Add to Shelf
Series 5: Motion Picture Films, 1931-1945 Add to Shelf
MacCarthy family home movies showing field operations and processing on the D.P. MacCarthy & Son farm.
Item 1: Spring hop field operations and fall harvest, 1931 Add to Shelf
This black and white film shows workers training bines in spring for Early Cluster hops while on a cart being pulled by a horse, spring field maintenance using a tractor, field inspection by Charles Bier, Jr., filling up a sprayer truck and spraying for hop lice, camp activities (horseshoes and music), hop harvest (picking, weighing, replacing wires), and transportation of bales to dryer. Includes title slides identifying scenes. This film is available streaming online.
Item 2: Harvesting and processing, 1945 Add to Shelf
This color film shows field harvest and processing facilities. Specifically, workers harvesting hops; workers on "crow's nests" cutting hops from wires; cleaning, transportation, processing, drying, and baling. The end shows workers staking and training bines in the spring. This film is available streaming online.
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