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.
Mount Humphreys in the Sierra Nevada. Mount Darwin is the highest summit of the Evolution Peaks of the Sierra Nevada. Mount Tom in the Sierra Nevada. San Gorgonio Mountain is the highest summit of the San Bernardino Mountains and the third most topographically isolated California peak.he first 16 of these summits each have at least 4000 meters (13,123.4 feet) of topographic elevation and at least 500 meters (1640.4 feet) of topographic prominence. See the Highest mountain peaks of California for a table of these summits.