LBJ and Lady Bird to Charleston, WV; Lady Bird describes welcoming crowd and strip-mining; LBJ speaks at Summersville Dam; international conference on water; trouble naming dam; lunch; Johnsons to Harrisburg, PA; short speech; motorcade to Dallastown for centennial speech; Lady Bird describes Amish; protests; LBJ goes off script; Lady Bird gives remarks; back to White House; Lady Bird bowls; Johnsons & guests on Sequoia; Thomas Mann writing book on Latin America; Gunsmoke