Upper Chewaucan Marsh is a flat located in Lake County, Oregon. It appears on the Coglan Buttes USGS 7.5-minute topographic quadrangle. The nearest populated place is Chewaucan (historical), approximately 2.7 miles to the W.
Lake County · Oregon
Upper Chewaucan Marsh is a flat located in Lake County, Oregon. It appears on the Coglan Buttes USGS 7.5-minute topographic quadrangle. The nearest populated place is Chewaucan (historical), approximately 2.7 miles to the W.