Performs a variety of sales and customer support services for products including stamps, stamped paper, postal cards, philatelic products, and special promotional items; with or without direct supervision.
Siskiyou Pass. Siskiyou Pass, including the 4,310-foot-high Siskiyou Summit of I-5 that is located a short distance east of the original historic pass, is the highest and most historically significant mountain crossing on the main transportation route that links California and Oregon.
Tweet. At an elevation of 1,591 feet, the summit of Cowles Mountain is the highest point in Mission Trails Regional Park and the city of San Diego. This immensely popular hike can see hundreds of trekkers a day.