2019-07-09_REVISION - M2004044 (35)

Home Browse Search

WETLAND DETERMINATION DATA FORM—Great Plains Region Project/Site: Tucson South Mine City/County: Brighton/Adams Sampling Date: 07/06/2017 Applicant/Owner: Aggregate Industries State: CO Sampling Point: TM-Al 1-WTC Investigator(s): C. Ansari, J. Heule Section,Township, Range. 1, T01S, R67W Landform(hillslope,terrace,etc.): Valley floor Local relief(concave,convex, none). concave Slope(%): 0.5 Subregion(LRR)- Western Great Plains (G) Lat: 39.988956 Long: -104.843833 Datum: WGS 84 Soil Map Unit Name. Wet alluvial land NWI classification: N/A Are climatic/hydrologic conditions on the site typical for this time of year? Yes X No (If no,explain in Remarks.) Are Vegetation Soil or Hydrology significantly disturbed? Are"Normal Circumstances"present? Yes X No Are Vegetation Soil or Hydrology naturally problematic? (If needed,explain any answers in Remarks) SUMMARY OF FINDINGS— Attach site map showing sampling point locations,transects, important features, etc. Hydrophytic Vegetation Present? Yes X No Is the Sampled Area Hydnc Sod Present? Yes X No within a Wetland? Yes X No Wetland Hydrology Present? Yes X No Remarks:Palustrine wetland that forms around a pond. An up-gradient canal may contribute to the wetland formation. VEGETATION—Use scientific names of plants. Absolute Dominant Indicator Dominance Test worksheet: Tree Stratum (Plot size: 30' ) %Cover Species? Status Number of Dominant Species 1. Populus deltoides 25 Y FAC That Are OBL, FACW,or FAC 2 (excluding FAC-). 5 (A) 3 Total Number of Dominant 4 Species Across All Strata 6 (B) 0 =Total Cover Percent of Dominant Species Saplino/Shrub Stratum (Plot size. 15' 1 That Are OBL, FACW,or FAC 83 (A/B) 1. Salix amygdaloides 10 Y FACW 2. Salix exigua 15 Y FACW Prevalence Index worksheet: 3 Elaegnus angustafolia 5 N FACU Total%Cover of: Multiply by: 4 OBL species x 1 = 5 FACW species x 2= 30 =Total Cover FAC species x 3= Herb Stratum (Plot size: 5' ) FACU species x 4= 1. Typha latifolia 20 Y OBL UPL species x 5= 2. Cirsium arvense 25 Y FACU Column Totals: (A) (B) 3. Schoenoplectus pungens 15 N OBL 4 Schoenoplectus acutus 35 Y OBL Prevalence Index =B/A= 5 Hydrophytic Vegetation Indicators: 6 _ 1 -Rapid Test for Hydrophytic Vegetation 7 X 2-Dominance Test is>50% 8 _ 3-Prevalence Index is s3.0' 9 _ 4-Morphological Adaptations' (Provide supporting data in Remarks or on a separate sheet) 10 _ Problematic Hydrophytic Vegetation' (Explain) 95 =Total Cover Woody Vine Stratum (Plot size. 30 ) 'Indicators of hydric soil and wetland hydrology must 1. None be present, unless disturbed or problematic. 2 Hydrophytic 0 =Total Cover Vegetation %Bare Ground in Herb Stratum 5 Present? Yes X No Remarks- US Army Corps of Engineers Great Plains—Version 2.0