Collin County topographic maps

Average elevation: 656 ft

Average elevation: 568 ft

Average elevation: 633 ft

Average elevation: 745 ft

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: 659 ft

Average elevation: 515 ft

Average elevation: 577 ft

Average elevation: 669 ft

Average elevation: 686 ft

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: 627 ft

Average elevation: 564 ft

Average elevation: 686 ft

Average elevation: 577 ft

Average elevation: 640 ft

Average elevation: 554 ft

Average elevation: 512 ft

Average elevation: 587 ft

Average elevation: 630 ft

Average elevation: 571 ft

Average elevation: 505 ft

Average elevation: 505 ft

Average elevation: 676 ft

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: 594 ft

Average elevation: 525 ft

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: 643 ft

Average elevation: 656 ft

Average elevation: 591 ft