# KNIFE RIVER MATERIALS YARD

> EPA TRI Facility `8260WKNFRV5684L` · CASPER, WY · Active

## Address
- 5684 OLD YELLOWSTONE HWY
- CASPER, WY 82604
- County: NATRONA

## Mailing
- KNIFE RIVER MATERIALS YARD
- CASPER, WY 82604

## Source
- EPA TRI Form R: https://www.epa.gov/toxics-release-inventory-tri-program/find-facility-tri-reports
- Envirofacts: https://www.epa.gov/enviro/facts-services-where-information-find-it