| | Washington State Department of Transportation |
| | Office of Highway Maintenance PO Box 47358 Olympia WA 98504-7358 USA |
| http://www.wsdot.wa.gov | | barogar@wsdot.wa.gov |
| technologia i postęp techniczny w ochronie środowiska |
| 2004 | | WASHINGTON STATE DEPARTMENT OF TRANSPORTATION 2002-03 | abs | | 51 | | str | 1,5 | mb |
| | SALT PILOT PROJECT |