_id no   reference_id   field_id   wgs84_easting   wgs84_northing   elevation   zone   map_sheet_id   map_sheet_name   vill_no   vill_name   tam_name   amp_name   prov_name   stream_name   stream_width_m   stream_depth_m   stream_flow   gravel   sand_silt   clay   organic   rock_unit   contamination   land_use   sample_color   stream_color   gps_code   sample_sum   colspacer
no reference_id field_id wgs84_easting wgs84_northing elevation zone map_sheet_id map_sheet_name vill_no vill_name tam_name amp_name prov_name stream_name stream_width_m stream_depth_m stream_flow gravel sand_silt clay organic rock_unit contamination land_use sample_color stream_color gps_code sample_sum