Northumberland County topographic maps

Average elevation: 308 ft

Average elevation: 554 ft

Average elevation: 423 ft

Average elevation: 738 ft

Average elevation: 571 ft

Average elevation: 568 ft

Average elevation: 453 ft

Average elevation: 587 ft

Average elevation: 817 ft

Average elevation: 515 ft

Average elevation: 850 ft

Average elevation: 594 ft

Average elevation: 643 ft

Average elevation: 650 ft

Average elevation: 679 ft

Average elevation: 495 ft

Average elevation: 541 ft

Average elevation: 577 ft

Average elevation: 679 ft

Average elevation: 600 ft

Average elevation: 597 ft

Average elevation: 646 ft

Average elevation: 627 ft

Average elevation: 535 ft

Average elevation: 374 ft

Average elevation: 558 ft

Average elevation: 643 ft

Average elevation: 528 ft

Average elevation: 614 ft

Average elevation: 656 ft

Average elevation: 515 ft

Average elevation: 699 ft