USGS Water-Year Summary 2021
11235100 MAMMOTH POOL PP NR BIG CREEK CA
LOCATION - Lat 37°13'30", long 119°20'13" referenced to North American Datum of 1927, Madera County, CA, Hydrologic Unit 18040006, in Sierra National Forest.
GAGE - Acoustic-velocity meter.
COOPERATION - Records were collected by Southern California Edison, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2085.