Central States -- See Middle West Here are entered works on the region of the United States between the Rocky Mountains and the Allegheny Mountains and north of the Ohio River and the southern border of Missouri and Kansas, generally including the states of Ohio, Indiana, Michigan, Illinois, Wisconsin, Minnesota, Iowa, Missouri, Kansas, Nebraska, South Dakota, and North Dakota.
1
Central States Region -- See Middle West Here are entered works on the region of the United States between the Rocky Mountains and the Allegheny Mountains and north of the Ohio River and the southern border of Missouri and Kansas, generally including the states of Ohio, Indiana, Michigan, Illinois, Wisconsin, Minnesota, Iowa, Missouri, Kansas, Nebraska, South Dakota, and North Dakota.
--subdivision Waste disposal under types of industries, industrial processes, and facilities, e.g. Construction industry--Waste disposal; Metals--Finishing--Waste disposal
Centrifugal force -- See Also Gravitation Here are entered theoretical works on the phenomenon of gravitation, i.e. the attraction between masses anywhere in the universe, and on determinations of the constant of gravitation. Works relating to measurement of the resultant effect of the gravitational attraction and centrifugal repulsion between any body and a planet or other celestial body, including works on earth's gravity are entered under the heading Gravity.