Wallace Slough is a lake located in Cowlitz County, Washington. It appears on the Saint Helens USGS 7.5-minute topographic quadrangle. The nearest populated place is Cathlapotle (historical), approximately 1.8 miles to the S.
Cowlitz County · Washington
Wallace Slough is a lake located in Cowlitz County, Washington. It appears on the Saint Helens USGS 7.5-minute topographic quadrangle. The nearest populated place is Cathlapotle (historical), approximately 1.8 miles to the S.