1. CEE 424 GIS for Civil Engineers
Group 3:
Alexandra Nightingale
Rachel Curtin
Richard Proszek

2. Project Goal:
What areas in Gifford Pinchot National Forest are suitable for timber harvest?

3. Project Area

4. Data Used Boundary of the Gifford Pinchot National Forest
Critical Owl Habitats
North Spotted Owl habitat
Grey Owl habitat
Riparian Reserves
Slope Topography
Rivers
Water body

5. Analysis Criteria for Harvestable Lands: Within the Forest Boundary
Outside Owl Habitat
Outside Riparian Reserves
Slope less than 60%

6. Analysis Tools used: Clip Union Select
Total Area Of Harvestable Land ≈ 2 million acres

7. Estimated Worth of Harvestable Land in GPNF ≈ $19 billion
Analysis
Revenue calculations:
Washington State Department of Revenue
Stumpage Values Per Thousand Board Feet
Estimated Worth of Harvestable Land in GPNF ≈ $19 billion

8. Conclusions: Total Area Of Harvestable Land ≈ 2 million acres
Estimated Worth of Harvestable Land in GPNF ≈ $19 billion