Subdivisions. The Ordovician is the second period of the Paleozoic era. The Ordovician began after the end of a series of extinction events known as the Ordovician-Silurian extinction events which ended around 488 mya.
As a state highpointer, Humphrey's Peak in Arizona was on my bucket list. The trailhead was easy to find. The trail itself was not well maintained and rather rocky, which wasn't too bad going up, but required a lot of caution descending to protect your knees.
Arizona Snowbowl is an alpine ski resort located on the San Francisco Peaks, 7 miles (11.2 kilometers) north of Flagstaff, Arizona. The base elevation of the facility sits at 9,200 feet (2,804 m) and the resort receives an average annual snowfall of 260 inches (650 centimeters). It has a 2,300-foot (700 m) drop, the largest in Arizona, and has 5 lifts servicing the mountain.