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Bear Den1050
Blue1155 ie,  1430
Castle0732, 1625
Constant 1800
Grand1154, 1900
Great Fountain0647 ie, 2225 ?
Little Whirligig 1136-1815, 1155
Old Faithful0559 long, 0714, 0806 long, 0922 long, 1028 long, 1140 short, 1256 long, 1401 long, 1517 short, 1629 short, 1720 long, 1845 short, 1933 long, 2056 long, 2211 long, 2239 long
Pequito 1800
Percolator1820 ie
Riverside0031, 1200, 1737, 2321
Sawmill1820 ie
Surge1200, 1703, 1839
Whirligig 1136-1815, 1136,  1830
Values for Old Faithful Area1976-08-31
Astronomical Twilight Begin05:00
Nautical Twilight Begin05:39
Civil Twilight Begin06:15
Civil Twilight End20:31
Nautical Twilight End21:07
Astronomical Twilight End21:45
Moon Illumination39.89%

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