proj4.defs("EPSG:3072","+proj=tmerc +lat_0=43.8333333333333 +lon_0=-67.875 +k=0.99998 +x_0=700000 +y_0=0 +ellps=GRS80 +nadgrids=AB_CSRS.DAC +units=m +no_defs +type=crs");