Room 91D was used to designate post-Chacoan strata beneath the San Juan Rooms 91A–C, across the entire area of original Chacoan Room 91W. This approach was unique in the work at Salmon Pueblo and resulted in duplication of strata and floor surfaces across these room units. The strata and features grouped under the Room 91D designation properly belong with Room 91W. Thirteen strata were identified in 91D including two floors, artificial fill, and structured trash units. A metate and ceramic vessel were found on the floor layer. The ceramic assemblage from these deposits is mixed, including Chacoan-age ceramics and later 12th and 13th century types such as Mesa Verde Black-on-white. Room 91D had two cobble features on the floor surface.