Descriptive InformationAERIAL of Maintenance Area, Interpretive Design Center, and Mather Training, Center. Camp Hill area and Gap in background. File. Original caption: Park: HFNHP. Negative No. NHF-3453 + 8x10 print. See Classification No. Subject: AERIAL of Maintenance Area, Interpretive Design Center, and Mather Training Center. Camp HIll area and Gap in background. Purpose: File. Photographer and Companions: Edwin Fitzpatrick, Jefferson Ave., Charles Town, W. Va. Date: November 1974.