Cast-level metadata for CalCOFI CTD/bottle stations.\n\ncdm_data_type = Point\nVARIABLES:\ncast_id\ncast_key\nsite_key\nsta_code\ndistance (nautical miles)\nlatitude (degrees_north)\nlongitude (degrees_east)\nrpt_line\nst_line\nac_line\nrpt_sta\nst_station\nac_sta\nbottom_depth_m (meters)\nship_name\nship_code\ndata_type\norder_occ\nevent_num\ncruz_leg\norig_sta_id\ndata_or\nint_chl (milligrams chl per square meter per half light day)\nint_c14 (milligrams C per square meter per half light day)\ninc_str\ninc_end\npst_lan\n... (5 more variables)\n