There are thousands of objects mistakenly imported to OSM from GNIS. Objects proposed to be deleted were documented in GNIS database as not existing at time of the import, but were imported anyway.
Edit would remove many nonexisting objects that are currently misleading users of OSM data and confuse mappers. There are many amenity=post_office, amenity=place_of_worship and other mapped in USA that in reality are not existing. There are also thousands of object retagged to hide them in standard rendering but this entries also should be deleted as unwanted and usually incorrect (for example abandoned:amenity=post_office). Some of them are present for a decade or more like for example https://www.openstreetmap.org/node/357118918/history Examples of other objects that would be deleted: https://www.openstreetmap.org/node/358721524#map=16/33.1701/-83.2385 [https://www.openstreetmap.org/node/359023261 https://www.openstreetmap.org/node/359290731/#map=15/41.6947/-72.6189 I plan to run an automated edit that will revert part of the GNIS import that added them and delete objects that never had any reason to appear in the OSM database in any form, at least according to GNIS data. Please comment no matter what you think about this idea! I will not make the edit without a clear support so please comment if you think that it is a good idea and if you think that it should not be done. Plan is as follows: I will take full responsibility for all edits and if anything goes wrong I will fix it. To avoid deleting objects that were not imported from GNIS following filters will apply * Only objects created in specific changesets that were importing GNIS * Only objects with name tag that has "(historical)" part (this is how GNIS indicates nonexisting objects, see documentation page for details) * Only objects with gnis:feature_id and name tags that were not changed from import to 2019-03-10 * Only objects that have gnis:feature_id and name tags, where name tag has "(historical)" part at time of edit * Nodes that are now parts of ways or relations will be skipped, ways and relations (if any, it seems that only nodes were imported) that are now parts of relations will be skipped All must apply, otherwise item will not be deleted. List of changesets that added objects that I want to delete (most of objects added in GNIS import will not be deleted): * https://www.openstreetmap.org/changeset/747176 (includes notification of author of edits) * https://www.openstreetmap.org/changeset/748530 * https://www.openstreetmap.org/changeset/749606 * https://www.openstreetmap.org/changeset/751242 * https://www.openstreetmap.org/changeset/755766 * https://www.openstreetmap.org/changeset/756644 * https://www.openstreetmap.org/changeset/758594 * https://www.openstreetmap.org/changeset/763672 * https://www.openstreetmap.org/changeset/764755 * https://www.openstreetmap.org/changeset/766700 * https://www.openstreetmap.org/changeset/767554 * https://www.openstreetmap.org/changeset/770127 * https://www.openstreetmap.org/changeset/774950 * https://www.openstreetmap.org/changeset/777367 * https://www.openstreetmap.org/changeset/780743 * https://www.openstreetmap.org/changeset/781903 * https://www.openstreetmap.org/changeset/783501 * https://www.openstreetmap.org/changeset/784670 * https://www.openstreetmap.org/changeset/786350 * https://www.openstreetmap.org/changeset/794649 Each changeset created by a bot will contain a single element or group of close elements to avoid edits spanning across large areas (it is impossible in cases where edited object itself spans very large area). Documentation page with full info on OSM Wiki is at https://wiki.openstreetmap.org/wiki/Mechanical_Edits/Mateusz_Konieczny_-_bot_account/remove_objects_that_are_not_existing_according_to_source_of_import_that_added_them This message will be crossposted to OSM USA slack channel I have experience with automatic edits. This edit will be done carefully to avoid damage to OSM data.
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