2004-11-09_REVISION - M2000016 (11)

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Table R-1. Descriptions of wetlands on the Rittenhouse Property. Refer to Table R-2 for lists of species observed in these wetland areas. Wetland Photo Descriptions and Comments Jurisdictional Status Location Number s These wetland areas are located along the active channel of the South Platte River and Wetlands Along Within the trench formed by the river. Many the South Platte R-1 Parts of this area consist of exposed sand and Jurisdictional/Waters gravel bars. In places the banks have been of the United States River (W-RI) armored with waste concrete rip-rip. Of the species observed in these areas, 71 percent are characteristic of wetland areas. This wetland area occurs along the saturated margins of an irrigation diversion ditch. Because of the steep sides of the excavated Wetland along channel, this wetland does not extend very far Jurisdictional - Diversion Ditch R-2 away from the flowing water. Seasonally the Connected to other (W-R2) flow in this channel is variable depending on jurisdictional irrigation practices. Reed canary grass is the wetlands major species in this wetland. A complete list of species in this type of wetland is presented for Wetland W-Nl Norden Pro er This small wetland has developed in what appears to be an old irrigation channel. Most of the channel is dry and dominated by upland species, but at the location just north of the Wetland in highway bridge, there is a small depression Not Jurisdictional - Southwest R-3 that holds water long enough for a wetland to isolated wetland Corner (W-R3) develop. The major species in this wetland included a species of buttercup (Ranunculus sceleratus) and curly dock (Rumex crispus). All of the observed species are characteristic of wetland areas. -~-