National Geographic - Trails Illustrated Maps

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National Geographic Trails Illustrated Map Series. From vendor: "Trails Illustrated (TI) maps are the most trusted and popular recreation maps available. Continually setting the standard for accuracy, each map is crafted in conjunction with local land managers and undergoes rigorous review and enhancement before being printed on waterproof, tear-resistant material. Each Trails Illustrated map contains detailed topographic information, clearly marked trails, recreational points of interest, and navigational aids. TI maps come in both folded sheet and small booklet formats."