Resource provided by WisconsinView. This is the vector tile index file for Pierce County aerial imagery in 2020. The 6-inch pixel orthoimagery was produced to meet or exceed a horizontal accuracy of 1.4 feet RMSE according to ASPRS Positional Accuracy Standards for Digital Geospatial Data. Orthoimagery was collected for Pierce County in 2020 to provide consistent deliverable products and accuracy standards for each of the participating entities.