Topography
Relief drives views, road layout, and erosion. Use topo maps and site walks.
Floodplains
Consult FEMA maps and base flood elevations; consider crossings and low‑water points.
Texas‑specific guidance
Relief drives views, road layout, and erosion. Use topo maps and site walks.
Consult FEMA maps and base flood elevations; consider crossings and low‑water points.