360 cubic meters of salt.
The area of Deep Creek Wilderness is 13.29 square kilometers.
The area of Deep Creek North Wilderness is 17.248 square kilometers.
The area of Deep Run Ponds Natural Area Preserve is 2,857,080.6342144003 square meters.
The area of Deep Fork National Wildlife Refuge is 36.422 square kilometers.
The area of Deep Creek Lake State Park is 7,357,184.9759232 square meters.
About a ton.
That's going to depend on how deep or shallow you spread it. If you spread it one foot deep, it covers an area of 2 square feet. If you spread it one inch deep, it covers an area of 24 square feet.
It depends on how deep it is. If it is 6 inches deep, you will need 77 yards.
You are mixing volume (square yard) and area (length x width). How deep do you want the dirt? One foot deep you need about 80 square yards of dirt.
How deep do you want that ?If you want it 1.6 inches deep, then it can cover 1 square foot.If you want it 10-ft deep, then it can't cover that much area.
The answer will depend on how deep the cement needs to be.
230