Category:NRHP infobox needing cleanup

This category is used for maintenance of Infobox NRHP, including removing legacy fields, updating parameter syntax, and correcting misuse of the infobox. If there are many articles in this category (~100+) and it doesn't appear that anyone is doing anything about it, a note should be left at Wikipedia:WT:NRHP to bring the situation to our attention. Thanks for your help!