Collin County topographic maps

Average elevation: 206 m

Average elevation: 163 m

Average elevation: 157 m

Average elevation: 227 m

Average elevation: 176 m

Average elevation: 187 m

Average elevation: 173 m

Average elevation: 167 m

Average elevation: 176 m

Average elevation: 218 m

When the Dallas area was being settled by American pioneers, many of the settlers traveled by wagon trains along the Shawnee Trail. This trail became the Preston Trail, and later, Preston Road. With all of this activity, the community of Lebanon was founded along this trail, and was granted a U.S. post office…

Average elevation: 191 m

Average elevation: 169 m

Average elevation: 195 m

Average elevation: 209 m

Average elevation: 176 m

Average elevation: 204 m

Average elevation: 200 m

Average elevation: 193 m

Average elevation: 172 m

Average elevation: 156 m

Average elevation: 207 m

Average elevation: 179 m

In 1902, a line of the St. Louis–San Francisco Railway ("the Frisco") was being built through the area, and periodic watering stops were needed along the route for the steam locomotives. The current settlement of Lebanon was on Preston Ridge and was too high in elevation, so the watering stop was placed…

Average elevation: 201 m

At first, Plano's population grew slowly, reaching 1,304 in 1900 and 3,695 in 1960. By 1970, Plano began to feel some of the boom its neighbors had experienced after World War II. A series of public works projects and a change in taxes that removed the farming community from the town helped increase the…

Average elevation: 196 m

Average elevation: 192 m

At first, Plano's population grew slowly, reaching 1,304 in 1900 and 3,695 in 1960. By 1970, Plano began to feel some of the boom its neighbors had experienced after World War II. A series of public works projects and a change in taxes that removed the farming community from the town helped increase the…

Average elevation: 181 m

Average elevation: 174 m

Average elevation: 200 m

Average elevation: 154 m

Average elevation: 160 m

Average elevation: 206 m

Average elevation: 180 m