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Geyser1971-07-04
Africa1220, 1514
Bear Den1645
Beehive0807, 1817
Castle0955, 1827 ie
Echinus0940, 1025, 1115, 1202, 1245, 1338, 1425, 1600, 1647, 1735
Fan and Mortar 1971-07-03 2000-0800
Grand0730 ?, 0845 ?, 1805
Great Fountain1545
Grotto0840
Lion0803, 0945, 1130, 1330, 1525
Old Faithful0725 long, 0828, 0924 short, 1023 long, 1140 short, 1234 long, 1355 short, 1440 long, 1555 short, 1642 long, 1755 short, 1847 long, 2000 short, 2056 long
Riverside0915, 1507
Values for Old Faithful Area1971-07-04
Astronomical Twilight Begin03:18
Nautical Twilight Begin04:19
Civil Twilight Begin05:07
Sunrise05:44
Sunset21:11
Civil Twilight End21:47
Nautical Twilight End22:35
Astronomical Twilight End23:36
Moon Illumination81.33%

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