def METHOD_NAME(self) -> list[Polygon]:
    shapefile = self._shapefile_path
    logging.debug(
        f"Reading ARCGIS landmap {self.shape_type.value} data from {shapefile}"
    )
    with logged_duration("Loading polygons"):
        raw_polys = self._load_raw_polys_from_shapefile(shapefile)
    logging.debug("Converting to DCS coordinate system")
    with logged_duration("Converting shapefile data to DCS coordinates"):
        converter = CoordinateConverter(self.theater, shapefile.with_suffix(".prj"))
        return converter.convert_to_dcs_coords(raw_polys)