Descriptive InformationDedication Plaque to blacks in American History. (John Brown Raiders) Special, Guests, Supt. Martin R. Conway, Wedon Malone, Mayor Bradley D. Nash. File. Original caption: NHF-3662 Plaques of Black History. Number: NHF-3662. Subject or Title: Plaques. Negative on File: X Yes _ No. Location of Pix: Comments: Black in History. Black Raiders. 8-12-76.