1990/01/28 Portland, OR Pine Street Theatre - While JAMC played this date, NIN probably didn't support, because of travel time involved. The first support date was probably Warfield in SFO.
1990/03/27 Atlanta, GA - <s>Were there 2 dates for The Roxy?</s> - yes, newspaper article confirms it[https://happinessinheresy.com/nine-inch-nails-concert/atlanta-march-27-1990/]
1990/04/03 Phantasy - Were there 2 dates for Cleveland? (probably not the 4th)