No. 15. Historic sites archeology on the Upper Missouri / by Merrill J. Mattes -- No. 16. Historic sites archeology in the Fort Randall Reservoir, South Dakota / by John E. Mills -- No. 17. The excavation and investigation of Fort Lookout trading post II (39LM57) in the Fort Randall Reservoir, South Dakota / by Carl F. Miller -- No. 18. Fort Pierre II (39ST217), a historic trading post in the Oahe Dam area, South Dakota / by G. Hubert Smith--
No. 19. Archeological investigations at the site of Fort Stevenson (32ML1), Garrison Reservoir, North Dakota / by G. Hubert Smith. (Introduction by Robert L. Stephenson and an appendix by Carlyle S. Smith) -- No. 20. The archeology of a small trading post (Kipp's Post 32MN1) in the Garrison Reservoir, North Dakota / by Alan R. Woolworth and W. Raymond Wood