20250318 12432300 1.0 TRUE TRUE PoCoMap_Reference This feature symbolizes topography, building polygons, and impervious surface data for Porter County Indiana. The contours are derived from an outsourced 2010 project developed for Porter County by the GRW company derived from LiDAR with accompanying aerial photography. The polygons have been updated with permit data up to the summer of 2017. The impervious surface was created by the University of Vermont based off of the 2013 State LiDAR data. contours impervious surface building polygons Reference Layers GRW, University of Vermont, Reed Fowler, Porter County Department of Development and Storm Water Management iVBORw0KGgoAAAANSUhEUgAAAMgAAACFCAYAAAAenrcsAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAA JwAAACcBKgmRTwAAAW1JREFUeJzt1bERACAQwzAK9l/5WQDMAlKZ3pc9M7OAq32fAYHAhweBIBAI AoEgEAgCgSAQCAKBIBAIAoEgEAgCgSAQCAKBIBAIAoEgEAgCgSAQCAKBIBAIAoEgEAgCgSAQCAKB IBAIAoEgEAgCgSAQCAKBIBAIAoEgEAgCgSAQCAKBIBAIAoEgEAgCgSAQCAKBIBAIAoEgEAgCgSAQ CAKBIBAIAoEgEAgCgSAQCAKBIBAIAoEgEAgCgSAQCAKBIBAIAoEgEAgCgSAQCAKBIBAIAoEgEAgC gSAQCAKBIBAIAoEgEAgCgSAQCAKBIBAIAoEgEAgCgSAQCAKBIBAIAoEgEAgCgSAQCAKBIBAIAoEg EAgCgSAQCAKBIBAIAoEgEAgCgSAQCAKBIBAIAoEgEAgCgSAQCAKBIBAIAoEgEAgCgSAQCAKBIBAI AoEgEAgCgSAQCAKBIBAIAoEgEAgCgSAQCAKBIBAIAoEgEFhvB8sYBhEjajlzAAAAAElFTkSuQmCC