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Geyser1967-06-30
Arsenic1738
Bear Den0930
Blue 0900, 1250 ie, 1400 ie,  1600-1745
Echinus0858, 0950, 1042, 1133, 1225, 1317, 1408, 1459, 1552, 1643
Steamboat 0800
Values for Old Faithful Area1967-06-30
Astronomical Twilight Begin03:14
Nautical Twilight Begin04:16
Civil Twilight Begin05:05
Sunrise05:41
Sunset21:11
Civil Twilight End21:48
Nautical Twilight End22:36
Astronomical Twilight End23:38
Moon Illumination45.65%

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