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| U.S. Geological Survey Fact Sheet 2005-3090 |
Published 2005
Online only
Version 1.0
Daniel E. Sullivan
Over the last hundred years or so, large quantities of metals have been put to use in the United States. Most of these metals have remained in use either in their original form or in new products produced from recycled metal. These metals serve important functions and are contained in automobiles, bridges, buildings, machinery, and many other applications. The accumulated quantities of metals in use may be referred to as "resources in place" or, more commonly, as "stocks in use."
A reservoir with streams flowing into and out of it helps illustrate the concept of stocks in use.
This report is available in Adobe Acrobat format.
Fact Sheet 2005-3090 [720-KB PDF].
For scientific questions or comments concerning this report, contact Daniel E. Sullivan.
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