According to the Idaho Association of Building Officials, the frost line in Idaho ranges from as little as 12 inches in Orofino County to as much as 36 inches in several counties. Ada County, where Boise is located, has a frost depth of 24 inches. See the full list here: http://www.idabo.org/loads.htm
May 8th for last frost. Oct 9th for first fall frost.
frost line in Gwinnett
no Frost
The frost line i Michigan measures about 42 inches.
The frost line in the state of West Virginia is about 30 inches. This is the depth that frost can penetrate the soil.
What is the frost line depth in louisville Kentucky
what do you mean by frost line frost will penetrate up to three feet in the dead of winter if that is what you are asking.
Well, there more then one frost line in Illinois: 1) 10" to 20" for Southern Illinois 2) 15" to 30" for Central Illinois (frost line for Peoria) 3) 20" to 35" for Northern Illinois
The frost depth level below area's usually not less than 800 mm .
The frost line in the city of Chicago is thought to be 36 inches. The average Chicago winter does not exceed the 36 inch frost line, but extremely cold winters can.
The frost line depth for South Point, Ohio is 42 inches. You can get more information about the frost line depth by contacting the local building department in South Point.
The frost line depth for Cheyenne, Wyoming is 36" for foundation.