The map is still in progress!
Newport-RI-1777-sm_spline.tif is a geotiff file georeferenced using QGIS 3.0, referenced to OpenStreetMap data and USGS Topographic Maps from RIGIS. The reference points are in the
Newport-RI-1777-sm.jpg.points file. The image was transformed using the QGIS 3.0 Thin Plate Spline transformation with cubic resampling. Transformation statistics are reported in
Newport-RI-1777-sm_spline.tif.aux.xml. The file is in the NAD 1983 Rhode Island State Plane CRS (EPSG:102730).
This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 United States License.