Discussion from McGrain and Currens (1978)
Anderson County is located in the Bluegrass Region of central Kentucky and includes the rolling terrain of the Inner Bluegrass and the hills of the Outer Bluegrass (also called the Eden Shale Belt). The contrasts of these two types of topography may be seen on the Lawrenceburg 7.5-minute topographic map published by the U.S. Geological Survey. The gorge of the Kentucky River, which forms the eastern boundary of the county, is another striking topographic feature.
The Salt and Chaplin Rivers and their tributaries drain most of Anderson County. The drainage divide between the Kentucky River and the Salt River is a north-south ridge in the eastern part of the county, parallel to and 1 to 3 miles west of the Kentucky River. Elevations along this divide range from 850 to 900 feet. Except in the valleys of the major streams, there is little flat land in the Outer Bluegrass portions of the county.
The highest elevations in Anderson County, about 940 feet, are found along the sinuous ridge adjacent to Ky. 749, about 2 1/2 miles south of the community of Fox Creek. The lowest elevation is 469 feet on the Kentucky River where it leaves the county. Maximum local relief is some 300 feet along the palisades of the Kentucky River and the surrounding bluffs and steep slopes. The deeply entrenced Kentucky River gorge, with its nearly vertical limestone walls, is the most spectacular topographic feature of the central Bluegrass Region.
The elevation of Lawrenceburg, the county seat, is 791 feet; Alton, 839 feet; Alton Station, 797 feet; Ashbrook, 827 feet; Fox Creek, 778 feet; Glensboro, 621 feet; McBrayer, 833 feet; and Tyrone, 520 feet. Blackburn Memorial Bridge over the Kentucky River at Tyrone is at an elevation of approximately 650 feet, almost 170 feet above the river.
The 7.5-minute topographic quadrangle maps that cover the county are
shown, by name and by index code (Kentucky Natural Resources and Environmental
Protection Cabinet) on the index
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