You are here. Cross U.S. Borders. Almost a million times each day, U.S. Customs and Border Patrol (CBP) officers welcome international travelers into the U.S. In screening both foreign visitors and returning U.S. citizens, CBP uses a variety of techniques to assure that global tourism remains safe and strong.
Birches are enchanting trees that embody beauty and grace. While most types of Birch trees grow to roughly 40 feet, some, such as the Paper and Yellow Birch can soar to 80 feet tall.irches are enchanting trees that embody beauty and grace. While most types of Birch trees grow to roughly 40 feet, some, such as the Paper and Yellow Birch can soar to 80 feet tall.
Betula papyrifera Paper Birch/White Birch Betulaceae (Birch Family). The paper birch is also called white birch, canoe birch, or silver birch. Paper birch is short-lived and rarely lives more than 140 years. The handsome foliage and showy white bark make the trees attractive for landscaping.Description. General-small to medium-sized, averaging 16 m (54 ft) high, broadleaved hardwood with a small, open crown of spreading and ascending branches.aper birch is short-lived and rarely lives more than 140 years. The handsome foliage and showy white bark make the trees attractive for landscaping. Description. General-small to medium-sized, averaging 16 m (54 ft) high, broadleaved hardwood with a small, open crown of spreading and ascending branches.