1. 1994 General Plan Land Use Designations, Stanislaus County, California, 2014 Datasets University Of California Berkeley Public content 2014. Stanislaus County (Calif.). Planning Department. This polygon dataset contains all land use designation data on Stanislaus County's current (as of 2014) general plan (http://www.stancounty.com/pla... Stanislaus County (Calif.).