CPTv10+ files for $partialdiff sub gid$ [ Features Hydrological Guyana hydro_basin hybas_id ]

Features Hydrological Guyana hydro_basin[pfaf_7 pfaf_5 shape_area the_geom pfaf_8 objectid pfaf_12 label main_bas hybas_id up_area pfaf_4 dist_main pfaf_1 pfaf_2 sort pfaf_11 pfaf_3 pfaf_9 next_sink sub_area pfaf_10 dist_sink coast pfaf_6 order_ shape_leng next_down endo ]
grid: /gid (unitless) ordered (1) to (1788) by 1.0 N= 1788 pts :grid
$partialdiff sub gid$ [ Features Hydrological Guyana hydro_basin hybas_id ][ | gid]