Morris, Earl H.
Preliminary account of the antiquities of the region between The Mancos and La Plata rivers in southwestern Colorado. - 51 p. Ill.
= Sid 155-206 i: 33 Annual report to the Bureau of American Ethnology to the Secreatry or the Smithsonian Institution [for the years]  1911-1912. - Washington : Smithsonian Institution,1919.   Accompanying papers.

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