added_by added_timestamp altitudech comments complete conservati current_segment_version_id current_track_version_id current_version_id currentc_1 currentcon custodian custodiang datasource disttops docregion docregionb existing_track_info_field_links globalid hikinggrad id importance infonote isroutegis last_moderated_at last_moderated_timestamp lastcheck lastcut layer_name lengthinbu maintenanc marking moderated_by moderated_timestamp multiple_status nextcut original parent_id rollback segment_geometry shape__len slopedist status_overlay_links trackname tracktype version_id warnings xyz_distan zvalues_ca