The following links are resources for property owners seeking Vegetation Assurance letter from their Conservation District:

Vegetation Assurance Application: 
http://macd.org/assets/downloads/Critical-Dunes/Michigan%20VRA%20Application_July%202010.pdf

Voluntary Forestry Management Guidelines for the State of Michigan:
https://www.michigan.gov/documents/dnr/IC4011_SustainableSoilAndWaterQualityPracticesOnForestLand_268417_7.pdf

Michigan Society of American Foresters:
http://www.michigansaf.org/forest-management-in-michigan.html