Rock Island topographic map
Interactive map
Click on the map to display elevation.
About this map
Name: Rock Island topographic map, elevation, terrain.
Location: Rock Island, Colorado County, Texas, 77470, United States (29.51032 -96.59488 29.55032 -96.55488)
Average elevation: 77 m
Minimum elevation: 70 m
Maximum elevation: 85 m