Room 7W is located in the southwest sector of Salmon Pueblo and is composed of two smaller rooms: the southern 3A and the northern 7A. The 7W designation refers to the original Chacoan room and measures 4.8 x 2.5 m. It was subdivided during the San Juan era by a wall made of cobbles set in mortar. Seven strata were identified in Room 7W including Chacoan and mixed layers. The Chacoan strata included roof-fall and a well-defined floor unit. Two features were identified, including a doorway in the north-south Chacoan wall leading to Room 4W. The lack of floor features and the position of the room suggest that 7W was used for storage. Architectural attributes and ceramic assemblage indicate construction in 1090-1094.