Speleogen
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A speleogen is a geological feature within a karst system that is created by the dissolution of bedrock. As rain water falls through the atmosphere it picks up carbon dioxide and more as it passes thr
Speleogens in a West Virginia cave
United States Code
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The United States Code, formally The Code of Laws of the United States of America, is the official codification of the general and permanent federal statutes of the United States. It contains 53 title
A few volumes of the official 2012 edition of the United States Code
A few volumes of an annotated version of the United States Code