Grayson County topographic maps

Average elevation: 228 m

Average elevation: 203 m

Average elevation: 228 m

Average elevation: 236 m

Average elevation: 201 m

Average elevation: 218 m

Average elevation: 227 m

Howe's elevation of 860 feet (260 m) is the highest point along US 75 between the Red River and the Gulf of Mexico.

Average elevation: 248 m

Average elevation: 203 m

Average elevation: 227 m

Average elevation: 199 m

Average elevation: 226 m

Average elevation: 211 m

Average elevation: 208 m

Average elevation: 236 m