# assumes all geometries in GeoSeries are same CRS and Geom Type
        crs_str = self.data_frame.crs.to_string() if self.data_frame.crs else None
        geometry_type = self.data_frame.geometry.geom_type.iloc[0]
        for _, row in self.data_frame.iterrows():
            geom = row[self.page_content_column]
            xmin, ymin, xmax, ymax = geom.bounds
            metadata = row.to_dict()
            metadata["crs"] = crs_str
            metadata["geometry_type"] = geometry_type
            metadata["xmin"] = xmin
            metadata["ymin"] = ymin
            metadata["xmax"] = xmax
            metadata["ymax"] = ymax
            metadata.pop(self.page_content_column)
            # using WKT instead of str() to help GIS system interoperability
            yield Document(page_content=geom.wkt, metadata=metadata)
[docs]    def load(self) -> List[Document]:
        """Load full dataframe."""
        return list(self.lazy_load())