ein Film der DEFA Studio für Spielfilme ; Gruppe roter Kreis ; Buch, Gojko Mitić, Gottfried Kolditz ; Produktionsleitung, Dorothea Hilebrandt ; Regie, Gottfried Kolditz
by Alan D. Reed ... [and others] under the supervision of Paul R. Nickens, principal investigator ; prepared for National Park Service, Southwest Region
edited by Terry A. Del Bene and Dabney Ford with contributions by Carole McClellan ... [and others] ; submitted by David E. Doyel ; prepared for Albert Keller
edited by Jan V. Biella and Richard C. Chapman ; submitted by Frank J. Broilo, principal investigator and series editor, to National Park Service, Southwest Division, Sante Fe, for U.S. Army Corps of Engineers, Cochiti Reservoir Project, Albuquerque District