Pratt Grinding is owned and operated by Jim Pratt of Valley Center, CA. He has owned and operated Pratt Grinding for over 20 years and serves all of the South West United States. CA, OR, AZ, NM, NV We specialize in the grove /stump/tree removal of all variety and sizes of trees and or stumps. Grindings are then mulched into a water retaining mulch that will save you hundreds, if not thousands of dollars every year on electrical and water costs. The mulch can then be spread into your live groves, giving you a higher quality yield year after year.. Average cost per tree is $13-18.00 a tree. Fuel costs varies. I look forward to your business !! Thank You, Jim Pratt 760-518-2000