PT - JOURNAL ARTICLE AU - Francis W. Holmes TI - How To Get Basic Tree Values Quickly Without “PI” AID - 10.48044/joa.1984.10.12.332 DP - 1984 Dec 01 TA - Arboriculture & Urban Forestry (AUF) PG - 332--332 VI - 10 IP - 12 4099 - http://auf.isa-arbor.com/content/10/12/332.short 4100 - http://auf.isa-arbor.com/content/10/12/332.full SO - JOA1984 Dec 01; 10 AB - 1. Measure your tree’s girth in inches. 2. Square that number. 3. Multiply by $1.75. You now have the Basic Value! Then diminish, as you always do, by site, health, etc.