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USGS · fs20063127

Materials in Use in U.S. Interstate Highways

Abstract

Summary: Natural aggregates (construction sand and gravel and crushed stone) make up the largest component of nonfuel mineral materials consumed in the United States. Most of these materials are used in construction activities, such as in buildings and roads. In highways, natural aggregates are incorporated into asphalt and concrete and are used as road base.

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Daniel E. Sullivan. 2006. Materials in Use in U.S. Interstate Highways. https://doi.org/10.3133/fs20063127

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Divisions of geologic time—Major chronostratigraphic and geochronologic units

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