Archaeologigal [sic] research in the northeastern San Juan Basin of Colorado during the summer of 1921
- Auteurs : Jeancon Jean Allard (18..?-19..) ; Roberts Frank H. H. Frank Harold Hanna (1897-1966) ; University of Denver ; State Historical and Natural History Society of Colorado ;
- Editeurs : Denver Press of the Webb-Kennedy Pub. Co. ;
- Date d'édition : 1922
- Sujets : San Juan Basin (N.M. and Colo.) -- Antiquities