Grand Geyser eruption from Old Faithful Inn photo 11 months 0 Lion Geyser eruption from Old Faithful Inn photo 11 months 0 Bison graze the fields of Upper Geyser Basin photo 11 months 0 Upper Lake Mary Dam Overflow photo 11 months 0 Lion Geyser eruption from Old Faithful Inn (2) photo 11 months 0 DSC_2385 photo 12 months 0 DSC_2501 photo 12 months 0 DSC_2426 photo 12 months 0 DSC_2666 photo 12 months 0 DSC_2394 photo 12 months 0 DSC_2340 photo 12 months 0 DSC_2322 photo 12 months 0 DSC_4020 photo 12 months 0 DSC_3775 photo 12 months 0 DSC_3895 photo 12 months 0 DSC_3914 photo 12 months 0 DSC_3760 photo 12 months 0 DSC_3805 photo 12 months 0 DSC_9359 photo 12 months 0 DSC_9405 photo 12 months 0 DSC_9297 photo 12 months 0 DSC_3958 photo 12 months 0 DSC_9345 photo 12 months 0 DSC_9322 photo 12 months 0 DSC_9454 photo 12 months 0 DSC_9228 photo 12 months 0 KMK_0530 photo 12 months 0 KMK_0383 photo 12 months 0 KMK_0722 photo 12 months 0 KMK_1698_1 photo 12 months 0 KMK_1557_1 photo 12 months 0 KMK_1448_1 photo 12 months 0 KMK_1250_1 photo 12 months 0 KMK_1576_1 photo 12 months 0 KMK_1273_1 photo 12 months 0 KMK_1494_1 photo 12 months 0 DSC_4026 photo 12 months 0 KMK_1469_1 photo 12 months 0 DSC_2303 photo 12 months 0 DSC_2398 photo 12 months 0