This polygon shapefile contains information related to Timber Harvesting Plans (THPS) in California. Boundaries and feature representations are derived from THPS of record and captured at a scale of 1:24,000 or larger with the aid of ancillary data such as USGS Topographic Quadrangle maps and NAIP imagery from 2005, 2009, 2010, 2012, 2014, 2016, and 2018