What do surface & subsurface features determine? - What can be built on site

- Foundation req

What factors are necessary for planning construction techniques? - Surface/subsurface

features

- Site access

- Equip type

- Ground water (or if surface water develops)

What info needs to be collected for surface evaluation? - Soil maps

- Topographic maps

- Aerial photos

- USGS topographic quadrangle maps

- USDA soil conservation maps

What features can be observed from bird's eye view of map...