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The geology of Kentucky formed beginning more than one billion years ago, in the Proterozoic eon of the Precambrian. The oldest igneous and metamorphic crystalline basement rock is part of the Grenville Province, a small continent that collided with the early North American continent. The beginning of the Paleozoic is poorly attested and the ...
Topsoil is composed of mineral particles and organic matter and usually extends to a depth of 5-10 inches (13–25 cm). Together these make a substrate capable of holding water and air which encourages biological activity. There are generally a high concentration of roots in topsoil since this is where plants obtain most of their vital nutrients.
A state soil is a soil that has special significance to a particular state. Each state in the United States has selected a state soil, twenty of which have been legislatively established. These official state soils share the same level of distinction as official state flowers and birds. Also, representative soils have been selected for Puerto ...
The Unified Soil Classification System (USCS) is a soil classification system used in engineering and geology to describe the texture and grain size of a soil. The classification system can be applied to most unconsolidated materials, and is represented by a two-letter symbol. Each letter is described below (with the exception of Pt): If the ...
The Natural Resources Conservation Service describes Crider as a soil series with "very deep, well drained, moderately permeable soils on uplands. They formed in a mantle of loess and the underlying limestone residuum." [1][6] It is known to be present in Kentucky, Indiana, Illinois, Missouri, Ohio, and Tennessee. [1]
Louisville is a city in Jefferson County, in the U.S. state of Kentucky. It is located at the Falls of the Ohio River. Louisville is located at 38°13′31″N 85°44′30″W. [1] According to the U.S. Census Bureau, Louisville Metro (in 2015 measurements for Jefferson County) has a total area of 397.68 square miles (1,030.0 km 2), of which ...
Kentucky Lake has a flood storage capacity of 4,008,000 acre⋅ft (4.944 km 3), more than 2.5 times the next largest lake in the TVA system. It provides a source for hydro-electric power. Also, as one of the lakes alluded to by the name of Land Between The Lakes National Recreation Area , it is a recreational destination of western Kentucky and ...
40447, 40402, 40434, 40481, 40486. Jackson County is a county located in the Commonwealth of Kentucky. As of the 2020 census, the population was 12,955. [1] Its county seat is McKee. [2] The county was formed in 1858 from land given by Madison, Estill, Owsley, Clay, Laurel, and Rockcastle counties. [3]