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.
The highest point in the Sierra Nevada Mountains is Mount Whitney at 14,505 feet, which is also the tallest mountain in the lower 48 United States. The largest trees in the world, the giant sequoia trees, live in the Sierra Nevada. They can grow up to 270 feet tall and over 25 feet in diameter.