U.S. Geological Survey

Preliminary Report on Aggregate Use and Permitting Along the Colorado Front Range

By David R. Wilburn and William H. Langer

U.S. Geological Survey Open-File Report 00-0258

Version 1.0

The text of this report is presented here in Portable Document Format.
Adobe Acrobat Reader 4.0™ is required to view it.
If you wish to download the latest version of Acrobat Reader free of charge, click here.

Screen-optimized PDF file (2.3 MB)

Print-optimized PDF file (4.1 MB)

USA.gov logo