| Comments: | “North Angle Geyser” of Landis (1989) (Hydrothermal Observations in Yellowstone National Park, 1988, pp. 183, 341) in the Sprinkler Group, Lower Geyser Basin; = UNNG 9 / vent 9 of Wolf & Paperiello, 1989 (Report on the Kaleidoscope & Sprinkler Groups, pp. 25, 35-36); vent is 6 to 7 meters north-northeast of true Angle Geyser (see cited 1989 W&P report on pp. 25, 29-30) & located at 44° 33' 15.44" North latitude, 110° 48' 41.50" West longitude. Frequent, moderately low eruptions, consistent with observed behavior in early June 2018 & previous years. A couple examples: 1710 ns (already off at 1713), 1715 ns (already off at 1716). |