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This was listed in 1976. Was it delisted in 1980? Or what else is meant by NRIS item with code "Dr":

This property may not actually be listed on the National Register - listing code is Dr
Name: Belleville Historic District
Location: Roughly bounded by S. Belt, Illinois, and Forest Sts.
Belleville, IL
Date added: October 23, 1980
Architect:
Architecture:
Other names:
Historic function:
Historic subfunction:
Criteria:
Number of acres: 0

-- Doncram ( talk) 04:38, 13 November 2019 (UTC) reply