Portal to Portal Access Road Companion Report
The link address is: http://www.coloradodot.info/projects/i70twintunnels/environmental-assessment/Portal%20to%20Portal%20Companion%20Report%20_Final_062812_.pdf
The link address is: http://www.coloradodot.info/projects/i70twintunnels/environmental-assessment/Portal%20to%20Portal%20Companion%20Report%20_Final_062812_.pdf