This document-Volume II: Supplementary Methods, Statistics, and Data Collection- defines the science, statistical methods, and data storage components of a national Forest Soil Disturbance Monitoring Protocol. This technical guide provides the basis for a consistent method with common definitions to produce high-quality data that land managers can access and use for decisionmaking. This volume, in conjunction with Volume I: Rapid Assessment, can be used to estimate forest management effects on the soil resource. Information gathered using this protocol can easily be conveyed to and used by the general public to describe soil disturbance classes before and after management. Volume III: Scientific Background for Soil Monitoring on National Forests and Rangelands, includes state-of-the-science papers from the proceedings of a workshop.