HARPER'S WEEKLY, New York, May 12, 1877  Great fullpg: 'The First of May in Blackville' shows a Black family. Doublepage centerfold by Th. Nast. Fullpg: 'The U.S. Steamer 'Powhatan' in a Cyclone off Hatteras' 3/4pg: 'Pictured Rocks, Lake Superior' shows 5 views.