a trail that extends from Missouri to New Mexico; an important route for settlers moving west in the 19th century
to lag or linger behind
a path or track roughly blazed through wild or hilly country
evidence pointing to a possible solution
the legendary patron saint of children; an imaginary being who is thought to bring presents to children at Christmas
drag loosely along a surface; allow to sweep the ground
a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood
