Geologic image in the Kentucky Geological Survey data repository.Image Name: Lawrence County Courthouse at Louisa Image Date: 8/22/2007 Category: photo_culture Source: Carey, Dan Format: JPG Size (MB): 1 Pixel Dimensions: 1624 x 1596 Description: Lawrence County, 419 square miles in the Eastern Kentucky Coal Field, was first surveyed by George Washington in 1767. It was established as a county in 1822. The highest elevation in the county, 1,320 feet, is along a ridge on the Morgan County line. The lowest elevation, 515 feet, is where the Big Sandy River leaves the county. The 2006 population of 16,269 was 4.5 percent greater than that of 2000. Photo by Dan Carey, Kentucky Geological Survey.