The new Wetland Intrinsic Potential tool provides both agricultural and conservation interests a more accurate way to find wetlands that might need preserving.By Chad SmallAs the United States limits what can be considered a wetland, and qualify for federal conservation measures, many Washington state residents are trying to protect more of them for water management, carbon sequestration and buffering against climate-driven disasters. But the difficulty of finding them can be just as big an obstacle to preserving them as recent actions in federal courts and agencies.