Room 146W is an original Chacoan room in the western sector of Salmon. During the San Juan period, a small kiva (Room 146A) was added to the room. The Chacoan room (146W) measures 5.5 x 3.3 m and the later kiva (146A) was 3.3 m in diameter. Two strata were defined very limited work defining walls was completed in the upper portion of the room. No features were recorded. There are no feature, strata, photographic, or documentary records available for this room.