Ancillary data layers were used to assess classification accuracy and derive other data layers such as image masks that were used in the change detection analyses. ancillary data.
William Edward White, the first black player in major-league history, lived his life as a white man. By Peter Morris and Stefan Fatsis. William Edward White on the 1879 Brown baseball team.
Charles Follis is believed to be the first black professional football player, having played for the Shelby Steamfitters from 1902 to 1906.