2019-07-09_REVISION - M2004044 (35)

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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-A5-UP01 Investigator(s). C. Ansari, J. Heule Section,Township,Range. 1, TO S, R67W Landform(hillslope,terrace,etc.)- floodplain Local relief(concave,convex, none). None Slope(%): 0.5 Subregion(LRR): Western Great Plains (G) Lat: 39.990338 Long -104.832621 Datum: WGS 84 Soil Map Unit Name: Loamy alluvial land, gravelly substratum 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 No X Is the Sampled Area Hydric Soil Present? Yes No X within a Wetland? Yes No X Wetland Hydrology Present? Yes No X Remarks.Plot established outside the bermed wetland area (TM-A4-WT) in the northeast corner of the associated agricultural field in a small sloped area with willows and cotttonwood trees present. 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 30 Y FAC That Are OBL, FACW,or FAC 2 (excluding FAC—) 2 (A) 3. Total Number of Dominant q Species Across All Strata: 4 (B) 20 =Total Cover Percent of Dominant Species Sapling/Shrub Stratum (Plot size. 15' ) That Are OBL, FACW,or FAC: 50 (A/B) 1. Salix exigua 40 Y FACW 2. Prevalence Index worksheet: 3. Total%Cover of. Multiply by. 4 OBL species x 1 = 5 FACW species x 2= 0 =Total Cover FAC species x 3= Herb Stratum (Plot size: 5 ) FACU species x 4= 1 Chenopodium album 70 Y FACU UPL species x 5= 2 Cardaria draba 30 Y UPL Column Totals: (A) (B) 3 4 Prevalence Index =B/A= 5 Hydrophytic Vegetation Indicators: 6. 1 -Rapid Test for Hydrophytic Vegetation 2-Dominance Test is>50% 7. 8 _ 3-Prevalence Index is s3.0' _ 4-Morphological Adaptations' (Provide supporting 9. data in Remarks or on a separate sheet) 10 _ Problematic Hydrophytic Vegetation' (Explain) 100 =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 Present? Yes No X Remarks- US Army Corps of Engineers Great Plains—Version 2.0