United States, California, El Dorado, Lake Tahoe Basin Management Unit. Meadow along Upper Truckee River about 0.3 mi south of Grass Lake Creek. T11N R18E S17 NW1/4 of SW1/4 USGS Quadrangle: Echo Lake 1:24,000
38.798056 -120.018333 NAD 1927
T11N R18E S17 NW1/4 of SW1/4; 38§ 47m 53s N; 120§ 1m 6s W