US Forest Service Research & Development
Contact Information
  • US Forest Service Research & Development
  • 1400 Independence Ave., SW
  • Washington, D.C. 20250-0003
  • 800-832-1355
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Steve P. Verrill

Mathematical Statistician
One Gifford Pinchot Drive
Madison, WI 53726-2398
Phone: 608-231-9375

Research Interests

  • X-ray determination of microfibril angle
  • Predictor-sort sampling
  • Coefficient of variation estimation and testing
  • Modeling air-drying of logs
  • Repetitive member reliability calculations

Featured Publications & Products

Publications & Products

Research Highlights


Traditional Grading System Updated for Structural Lumber

The Forest Products Laboratory has traditionally provided unbiased information on the properties, characteristics, design, and use of structural ...


Last updated on : 09/09/2014