U.S. Geological Survey

U.S. Geological Survey Bulletin 1594

Natural Aggregates of the Conterminous United States

By William H. Langer

Version 1.01

This publication explores the geologic occurrence of potential sources of crushed stone and sand and gravel for use as natural aggregate. A summary of the natural aggregate industry is also included.

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B1594 PDF file (2.28 MB)
(This version of the report is accessible as defined in Section 508.)
Plate 1 PDF file (2.70 MB)
Map showing major potential source areas of sand and gravel aggregate by geographic regions
sandgrav and regions shapefiles
Plate 2 PDF file (2.29 MB)
Map showing potential source areas of crushed stone aggregate and predominant bedrock types in these areas
rocktype shapefile
B1594 ZIP file (6.27 MB)
Download all three files in ZIP format (Bulletin, Plate 1, and Plate 2 PDF files)

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