Constructs and maintains a variety of trails ranging from primitive native surfaced trails to highly developed paved trails. Assists in the construction of major engineered features, such as bridges, raised trail ways, or small buildings. Builds or repairs trail structures requiring dry masonry (no cement) rockwork techniques, such as rock retaining walls, rip-rap steps, bridge abutments, barriers, causeways, water bars, check dams, and others. Performs basic carpentry work in maintaining or constructing handrails, curbs, bridge beams and decking, and other wood structures. Uses native materials, such as rocks and logs, or imported materials such as dimensioned lumber, steel, concrete, or asphalt in constructing various features on trails. Uses cement, asphalt, and other surfacing’s and emulsions in constructing tread surfaces, walls, curbs, and other features. Uses and maintains primitive had tools, including but not limited to: crosscut saws, pry bars, axes, Pulaski’s, McLeod’s, star drills or other hand rock drills, hand-powered winches, and various digging and brushing tools. Uses and maintains a variety of power tools, such as chainsaws, gasoline powered rock drills, jackhammers, power winches, and light power hand tools such as rotary saws and drills. Assists in the erection and use of rigging and high lines for lifting, pulling and transporting heavy materials and equipment over rugged terrain or across wide spans and gorges. With guidance, uses anchors, harnesses, cables, rope, chains, and various winches for such rigging work. Assists in blasting operations, by serving as a guard, helping to carry and prepare explosives for loading, and helping to assemble initiation equipment under direction of the Blaster in Charge. Assists in preparing loads and packing animals for delivering supplies or transporting project materials under the direction of an Animal Packer.