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Arrowhead Spring 1024
Beauty Pool 1110
Beehive1231 ie
Black Sand Pool 1500
Borah Peak1006 ie
Castle0728 ie wc maj
Copper Kettle 1008
Dome1502 ie, 1627 ie wc
Event Non-Geyser Related0000
Fan and Mortar 1600
Giant Hot Period 1118-1138, 1536
Grand1214 ie
Grotto1113 ie,  1611
Lion0910 ie wc, 1003 ns
Marathon Pool 1550
Marmot Cave1011, 1022
Nifty 1052
Old Faithful0058 wc long, 0230 wc long, 0359 wc, 0847 wc, 1017, 1155 ie wc, 1334 ie wc, 1507, 1642 ie wc
Other Geyser 0941,  0955,  1026, 1040,  1057,  1648
Pendant Spring 1040
Riverside0249 ns wc, 0911 ie wc
Silver Spring0955 ie
Solstice1114 ie
Sprinkler0044 wc, 0109 ? wc, 0304 wc, 0357 wc
Steamboat2321 E maj
Sulphide Spring 0952
Topsoil Spring1101
Victory 1608
Wave Spring 1107
Values for Old Faithful Area2018-12-25
Astronomical Twilight Begin06:12
Nautical Twilight Begin06:48
Civil Twilight Begin07:24
Civil Twilight End17:22
Nautical Twilight End17:58
Astronomical Twilight End18:34
Moon Illumination90.88%

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