For those in California who curate (multi)polygons from CPAD (California 
Protected Area Database), I have created a brief wiki with suggestions:

https://wiki.osm.org/wiki/Using_CPAD_data

This is a result of some changeset comments (changeset/78511793) which called 
out leaving in extraneous CPAD tags (in ALL CAPITAL LETTERS and seemed to annoy 
some as "foreign tags").

In short, there are eight or nine tags which are useful to logically map to OSM 
tags (and a table says how), while the others (often sixteen or so) should be 
deleted.  However, for legacy reasons before this takes effect (now and going 
forward), please leave alone the tags UNIT_ID (useful as a unique identifier) 
and ACRES (which acts as a checksum of data between CPAD versions without 
tedious visual inspection, as this has poor fault-tolerance due to human 
eyeballs only seeing larger changes).

Thanks,
SteveA
California
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