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Sierra Consulting & IPM has over 35 Years Industry Experience. In an effort to keep you informed on the latest vegetation management technologies, Sierra Consulting & IPM provides a free online newsletter. Click on the button at the left "Newsletter" for more information.
Donald A. Bartel Owner of Sierra Consulting & IPM is a Licensed Pest Control Advisor - Certified Arborist - Licensed Qualified Applicator - Certified Crop Advisor - Vegetation Management & Forensic Investigation Specialist. |
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