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Africa 1030-1200,  1710,  2010
Congress Pool 1800
Echinus 1800
Grand0947, 1504 ?
Great Fountain1500
Green Spring 1000
Little Squirt2020
Old Faithful0815 short, 0905 long, 1026 short, 1108 short, 1232 short, 1315 long, 1435 short, 1524 long, 1640 short, 1731 long, 1845 short, 1935 long, 2043 short
Other Geyser 1000
Pinwheel 1800
Porkchop 1800
Rift1650 ie
Riverside1427, 2036
Valentine1200 A
Vixen 1800
Values for Old Faithful Area1973-08-22
Astronomical Twilight Begin04:45
Nautical Twilight Begin05:26
Civil Twilight Begin06:03
Civil Twilight End20:48
Nautical Twilight End21:25
Astronomical Twilight End22:06
Moon Illumination40.86%

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