11. This created the source of heat and water that feed the West Thumb Geyser Basin today. 12. "' Crested Pool "'is a hot spring in the Upper Geyser Basin in Yellowstone National Park. 13. "' Ojo Caliente Spring "'is a hot spring in Lower Geyser Basin , of Yellowstone National Park. 14. The boat dock was located near the south end of the geyser basin near Lakeside Spring. 15. The Norris Geyser Basin is the hottest and most rapidly changing of Yellowstone's several geyser areas. 16. "' Midway Geyser Basin "'is much smaller than the other basins found alongside the Firehole River. 17. It is located in the Midway Geyser Basin . 18. "' Castle Geyser "'is a cone geyser in the Upper Geyser Basin of Yellowstone National Park. 19. The hills surrounding Old Faithful and the Upper Geyser Basin are reminders of Quaternary rhyolitic lava flows. 20. "' Pump Geyser "'is a cone geyser located in the Upper Geyser Basin of Yellowstone National Park.
