What is the ground approaching contained by Utah, going on for to do some excavation?? About to do some excavation in Utah will be digging a...

About to do some excavation in Utah will be digging a 16x56 hole beside excavator 8 feet open that has to be on position im only use to ground surrounded by Virginia.. so is the ground near Salt Lake City Utah rock-hard? or is it sandy? i've heard both
Answers:    Better bring some dynamite if you own kaliche deposits, which you probably will. Otherwise sand, rocks and gravel and not much different from the neighboring states. But the kaliche, a native clay, is resembling granite when it's dry.
Utah is known for man geographically diversified.
snowcapped mountains to well-watered river valleys to rugged, stony deserts.