Above is a Matt H photo of a
Below is a photo from a 2011 Rock Piles post:
Norman Muller: "I found an engraving of a stone hut/chamber in the Smithsonian Institution’s Bureau of Ethnology Annual Report #12 from 1890-91 (see attached) and sent an image of it to Native American Research and Preservation in Colorado (see attached). The resemblance is striking, even though the engraving is of a structure that was found in Fayette Co., WVA, probably a thousand miles east of Colorado. The caption under the engraving said the feature was probably built as a burial chamber."
Maybe this is another example of a similar stone structure: