United States, California, Plumas, Plumas National Forest. Beckwourth Ranger District. Beckwourth Compartment. South side of Middle Fork Feather River, just south of railroad tracks; ca 2.7 mi east of Portola. Wet meadowy areas around oxbow pond. T23N R14E S28 SE1/4 USGS Quadrangle: Portola 1:24,000