Technical Reference 1737-15, AUser Guide to Assessing Proper FunctioningCondition and the Supporting Science for Lotic Areas (Prichard et al. 1998) providesthe background for how the PFC tool was developed. The PFC method has beenimplemented by BLM and adopted by several other agencies. In 1996, the BLMand the USDA Forest Service (FS) announced a cooperative riparian-wetland man-agement strategy, which would include the NRCS as a principal partner. A NationalRiparian Service Team was formed to act as a catalyst for implementing thisstrategy