![Wildfire / Tunnel / United States Forest Service / Civil engineering / Deep foundation / Forestry / Systems ecology / Controlled burn / Ecological succession / Fire / Occupational safety and health Wildfire / Tunnel / United States Forest Service / Civil engineering / Deep foundation / Forestry / Systems ecology / Controlled burn / Ecological succession / Fire / Occupational safety and health](https://www.pdfsearch.io/img/bc82efb28fc15c3b7324603cf053f8f2.jpg)
| Document Date: 2013-11-04 14:08:06 Open Document File Size: 1,45 MBShare Result on Facebook
/ Event Environmental Issue / / Facility U.S. Highway / TUNNEL HILL PILE BURNING The U.S. Forest Service / Tunnel Hill / Tunnel Hill Fuels Reduction Project / / NaturalFeature Fraser Valley / National Forest / Tunnel Hill / / Organization Colorado Air Pollution Control Division / U.S. Forest Service / Environmental Protection Agency / / / Technology Pollution Control / /
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