| 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 eruptions, as in previous years. Didn't attempt to record all activity. Noted eruption starts at: 1033, 1039, 1050, 1155 (done at 1157), 1214, 1239 (done at 1243), 1245 (done at 1246), 1248 (already off at 1251), 1252 (done at 1254), 1256 (done at 1259), 1301 (done at 1304), and 1306 (done at 1308). Closed intervals: 6m, 3m, 4m, 4m, 5m, 5m. |