Category:NRHP list missing refnum

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Administrators: Please do not delete this category as empty! This category may be empty occasionally or even most of the time.

The pages in this category are lists that include U.S. National Register of Historic Places (NRHP) listings using {{NRHP row}} where the county variable is set, but the refnum is missing. See Wikipedia:WikiProject National Register of Historic Places/Reference numbers on how to help clean this category.

Notes:

• Do not include this category manually in articles; the {{NRHP row}} template automatically does this.