add admin divisions of jindo-gun based on postal code boundaries

import postal_codes(simplified to 1m) for South Jeolla(Jindo-gun)

import postal_codes(simplified to 1m) for South Jeolla(Jindo-gun)

import postal_codes(simplified to 1m) for South Jeolla(Jindo-gun)

import postal_codes(simplified to 2m) for North Chungcheon(Goesan-gun) and merge with overlapping admin boundaries

import postal_codes(simplified to 2m) for North Chungcheon(Jincheon-gun) and merge with overlapping admin boundaries

import postal_codes for North Chungcheon(Eumseong-gun) and merge with overlapping admin boundaries

import postal_codes for North Chungcheon(Eumseong-gun) and merge with overlapping admin boundaries

import postal_codes for North Chungcheon(Danyang-gun, Chungju-si, Jecheon-si) and merge with overlapping admin boundaries

import postal_codes for North Chungcheon(Danyang-gun, Chungju-si, Jecheon-si) and merge with overlapping admin boundaries

import postal_codes for North Chungcheon(Danyang-gun, Chungju-si, Jecheon-si) and merge with overlapping admin boundaries

merge overlapping postal_code and admin_level=8 boundaries for Sanae-myeon

remove source:province, source:city_county_code, source:city_county_name as they can be inferred from the spatial data (like is_in: values) and rename source:serial to postal_code:serial

replace admin boundaries of Inje-gun with newly added postalcode boundaries

replace admin boundaries of Goseong-gun with newly added postalcode boundaries

remove source:province, source:city_county_code, source:city_county_name as they can be inferred from the spatial data (like is_in: values) and rename source:serial to postal_code:serial

replace admin boundaries of Cheorwon-gun with newly added postalcode boundaries, except for the sections at the dmz

replace admin boundaries of Chuncheon-si with newly added postalcode boundaries

replace admin boundaries of Sokcho-si with newly added postalcode boundaries where they overlap (in case of -dong within Sokcho not all map to a zipcode boundary)

replace admin boundaries of Yangyang-gun with newly added postalcode boundaries