Japanese conquest of Burma main attack westward from Rahaeng in Thailand across the Kawkareik Pass. The 16th Indian Infantry Brigade of the 17th Indian Division guarding this approach retreated hastily westward. The Japanese division advanced to Moulmein at the mouth of the Salween River which was garrisoned by the 2nd Burma Infantry Brigade. The position was almost impossible to defend, and had the River Salween, almost wide, behind it. The 2nd Burma Brigade was squeezed into a progressively tighter perimeter, and eventually retreated over the river by ferry on 31 January after abandoning a large amount of supplies and equipment. Part of the force
Course of the Willamette River of Dunthorpe, which is on the left, and flows around Elk Rock Island. Between Dunthorpe and the Sellwood neighborhood of Portland, the river forms the boundary between Multnomah County, on the left, and Clackamas County, on the right. Reaching the city of Milwaukie, the Willamette receives Kellogg Creek from the right and then Johnson Creek from the right slightly above RM 18 (RK 29). Below Milwaukie, the river passes between Sellwood, on the right, and the River View Cemetery, both in Portland, and flows under the Sellwood Bridge, which carries Southeast Tacoma Street. Below the bridge, Sellwood Riverfront Park, Oaks