| 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. Noticed eruptions at 1338, 1342, 1346, 1350, 1354, 1403, 1407, 1412, 1416, 1420, 1424, 1429, 1433, 1437, 1441, 1445, 1449, 1454, 1457, 1500, 1504, 1509, 1514, 1518, 1522, 1526, 1530, 1534, 1538, 1542, and 1546. Intervals ~3 to 5 minutes. Double interval 9 minutes. |