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.
Who was the first African American baseball player in Major League Baseball? In 1884, two bothers, Fleet and Welday Walker, black Americans, played for Toledo in the American Association which was considered a Major League at the time.