1. Trade name in use by NationalGeographic online store; vendor description: More than just a map - National Geographic Trails Illustrated topographic maps are designed to take you into the wilderness and back. Printed on durable tear-resistant waterproof material this map can go anywhere you do! Each map is based on exact reproductions of USGS topographic map information updated customized and enhanced to meet the unique features of each area. Folded and printed on plastic for durability.

Source: compiled by the editor, with permission from NationalGeographic online store.