Kimberly Ann Barnes appeals following the district court’s 1 adverse grant of summary judgment in her employment-discrimination action brought under Title VII, the American with Disabilities Act of 1990, the Rehabilitation Act of 1993, and the Notification and Federal Employee Anti-Discrimination and Retaliation Act of 2002, against her employer, the United States National Archives and Records Administration. Having carefully reviewed the record de novo, see Winkle v. S.W. Bell Tel. Co., 195 F.3d 418, 420 (8th Cir. 1999) (standard of review), we affirm for the reasons explained by the district court. See 8th Cir. R. 47B.