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Geyser1971-08-20
Africa1019, 1537
Bear Den1149
Beehive0801, 1804
Castle1210 ie, 2030
Depression1905
Echinus0815, 1001, 1051, 1144, 1232, 1525, 1728
Grand0928, 1739 ie
Great Fountain1130
Oblong0920
Old Faithful0732 long, 0848 short, 0932 long, 1102 short, 1151 long, 1314 short, 1405 long, 1519 short, 1601 long, 1722 short, 1816 long, 1928 short, 2015 long
Riverside0931, 1537
Values for Old Faithful Area1971-08-20
Astronomical Twilight Begin04:41
Nautical Twilight Begin05:22
Civil Twilight Begin06:00
Sunrise06:31
Sunset20:21
Civil Twilight End20:52
Nautical Twilight End21:30
Astronomical Twilight End22:12
Moon Illumination0.48%

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