Foreword

Introduction

Acknowledgments

Overview

Water Use

Topography of the County

Geology of the County

Groundwater Availability

Exploration for Groundwater

Karst

Water Quality

Maps and Data

Additional Reading

References Cited

Definitions of Geologic Terms

Rock Descriptions

Discussion from McGrain and Currens (1978)

Henry County is a rolling to hilly area, well dissected by normal stream erosion, in the Outer Blue Grass region of north-central Kentucky. The Kentucky River marks the eastern boundary of the county and is the area of greatest local relief. The flood plain has elevations of 460 to 490 feet, and the adjacent hills are 200 to 350 feet higher. Where broad meander loops of the river cut into the upland, the valley walls are very steep, almost precipitous. Elsewhere, few cliffs occur. The lowest elevation is approximately 425 feet, the level of the Kentucky River where it leaves the county.

Ridgetop elevations are commonly 800 to 900 feet, and local relief away from the valleys of the principal streams is 100 to 150 feet. The highest elevation recorded in the county is 950 feet, on Kentucky Highway 22 just east of Kentucky Highway 55 in Eminence and on a ridge about 3/4 mile east of Franklinton.

The elevation of New Castle, at the courthouse, is 844 feet. Other elevations are Bethlehem, 880 feet; Campbellsburg, 915 feet; Eminence, at the intersection of Kentucky Highway 55 and the Louisville and Nashville Railroad, 939 feet; Franklinton, 868 feet; Lockport, 470 feet; North Pleasureville, 893 feet; Smithfield, 891 feet; and South Pleasureville, 898 feet.

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 map.

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