Flutes are aerophones. An aerophone (/ËÉÉroÊfoÊn/) is any musical instrument that produces sound primarily by causing a body of air to vibrate, without the use of strings or membranes, and without the vibration of the instrument itself adding considerably to the sound. Aerophones categorically comprise the largest and most complex group of instruments in the Americas.
The last ten miles of Peters Mountain is wholly within Alleghany County, Virginia. The elevation varies from 3,000 to 4,000 feet, with the highest point, near Zenith, reaching 4,050 feet. Peters Mountain, long a barrier to transportation, is crossed only by State Route 311 and the old Salt Sulphur Turnpike.
A Presidential Traverse is a strenuous and sometimes dangerous trek over the Presidential Range of New Hampshire's White Mountains. Contained almost entirely in the 750,000-acre (3,000 km 2) White Mountain National Forest, the Presidential Range is a string of summits in excess of 4,000 feet (1,200 m). To complete the traverse, one must begin at either the northern or southern terminus of the Presidential Range and finish at the opposing end.