Description
The Southern Pacific Milling Company (SP Milling) was primarily a milling and quarrying company that had operations in several
locations throughout California's central coast, with major operations in El Rio and in Ventura. The company was active from
around 1886 to 1995. In the 1950s the company took over the business of the Santa Barbara Mill and Lumber Company. In the
1960s, SP Milling and a subsidiary became more involved in the quarrying, concrete and gravel businesses. This collection
includes company records for SP Milling related to company policies, fire prevention, equipment maintenance, land holdings,
and other company business. Materials include meeting minutes, valuation and appraisal reports, operating manual, by-laws,
stock certificates, correspondence, employee health and welfare reports, photographs of various sites and equipment, aerial
shots of land, employees' files, and tax records.
Background
The Southern Pacific Milling Company (SP Milling) was primarily a milling and quarrying company that had operations in several
locations throughout California's central coast, with major operations in El Rio and in Ventura. The company was active from
around 1886 to 1995. SP Milling had grain warehouses in Santa Paula, Salinas, San Luis Obispo, Lompoc, Paso Robles, and Guadalupe,
among other locations. In the 1950s the company took over the business of the Santa Barbara Mill and Lumber Company. In the
1960s, SP Milling and a subsidiary became more involved in the quarrying, concrete and gravel businesses. The company largely
produced rock and sand, and had concrete services in San Luis Obispo and northern Santa Barbara county. The main plant was
in Ventura County in the El Rio area.
Extent
9.45 Cubic Feet
8 boxes (7 cartons, 1 legal document box)
Restrictions
Property rights to the physical object belong to the Museum of Ventura County. Literary rights, including copyright, have
not been determined. Contact the Research Library for further information: library@venturamuseum.org
Availability
COLLECTION STORED OFF-SITE: Open for research. Certain employee records may be restricted. All requests to access materials
must be made in advance by contacting the Research Library staff via email: library@venturamuseum.org