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Geyser1975-08-15
Bear Den1031
Beehive's Indicator1851
Castle1240
Congress Pool 1200
Depression2032
Echinus0910 ie, 1241, 1545
Fountain1614
Giantess1701, 1731
Grand0755, 1535
Great Fountain0832
Old Faithful0053 long, 0204 long, 0312 long, 0431 long, 0542 short, 0628 long, 0748 long, 0857 long, 1004 long, 1113 short, 1227 short, 1324 long, 1434 short, 1540 long, 1703 short, 1816 long, 1932 short, 2025 long, 2135 short, 2219 long, 2336 long
Riverside1030, 1620
Valentine0825 ?
Values for Old Faithful Area1975-08-15
Astronomical Twilight Begin04:32
Nautical Twilight Begin05:15
Civil Twilight Begin05:54
Sunrise06:25
Sunset20:29
Civil Twilight End21:01
Nautical Twilight End21:40
Astronomical Twilight End22:23
Moon Illumination62.31%

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