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<br />Field Report <br />Project: Boulder Creek <br />Daie: March 11, 1994 <br />Site description: <br />Section 16 <br />Township 2 North <br />Range 69 West <br />Latitude 105°18'45" <br /> <br />Longitude 40°7'30" <br />The site lies along Boulder creek and is just south of the confluence of Boulder creek and <br />the St. Vrain river. It is approximately 213 acres and is presently used for the grazing of <br />livestock. There are 5 stock ponds and numerous small imgation ditches occurring on the <br />site. <br />Wetlands: <br />Both non jurisdictional and jurisdictional wetlands occur on the site. The jurisdictional <br />wetlands are contained within a strip (lo' to 25' wide) along Boulder creek. These <br />wetlands are herbaceous wetlands with willow and cottonwood as secondary components. <br />Species occurring here are reed canarygrass (Phalaroides arundinacea), three square <br />(Scripus americarra), Nebraska sedge (Carex nebraskerrsis), water sedge (Carex <br />a~uatilis) and spike rush (Eleoacharis n:acrostachya). Wetland were staked in the field <br />with orange pin flags. <br />The non jurisdictional wetlands are a result of the many irrigation ditches that bisect the <br />site. These are irrigated wetlands confined to areas around the ditches or areas where the <br />ditch has blown out or there is seepage. These wet areas lie, for the most part, on the <br />eastern side of the site. The lake to the east of the site may be contributing water to <br />wetland areas just to the west of the lake. The non jurisdictional wetlands are herbaceous <br />wetlands and are more diverse than the wetlands that occur along the river. Sedges, three <br />square, spike rush, bulrush (Scirpus acutus) and reed canarygrass occur within the bounds <br />of these wetlands. These wetlands were not staked: their boundaries were drawn on an <br />serial photo. <br />~~ <br />