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WETLAND DETERMINATION DATA FORM—Great Plains Region <br /> Project/Site: Prowers Aggregate Operations-West Farm Pit Expansion City/County: Prowers County Sampling Date: 11/5/2020 <br /> Applicant/Owner: J&T Consulting,Inc. State Colorado Sampling Point. AR D10U <br /> Investigator(s). Tyler Worley Section,Township, Range: S28,29,32,&33 T22s,R46W <br /> Landform(hillslope,terrace,etc.), Irrigation retention pond Local relief(concave,convex,none): None Slope(%). 0% <br /> Subregion(LRR): Great Plains Range(LRR G) Lat: Long: Datum. WGS84 <br /> Soil Map Unit Name: Manvel Silt Loam,Terrace,0-2%slopes NWI classification: N/A <br /> Are climatic/hydrologic conditions on the site typical for this time of year? Yes ✓ No (If no,explain in Remarks.) <br /> Are Vegetation Soil or Hydrology significantly disturbed? No Are"Normal Circumstances"present? Yes ✓ No <br /> Are Vegetation Soil or Hydrology naturally problematic? No (If needed,explain any answers in Remarks.) <br /> SUMMARY OF FINDINGS— Attach site map showing sampling point locations,transects, important features,etc. <br /> Hydrophytic Vegetation Present? Yes No Is the Sampled Area <br /> Hydric Soil Present? Yes No within a Wetland? Yes No ✓ <br /> Wetland Hydrology Present? Yes No <br /> Remarks: <br /> Upland data point situated in the central portion of Expansion B above an irrigation retention pond.This point is paired with wetland data point AR D1 W <br /> VEGETATION—Use scientific names of plants. <br /> Absolute Dominant Indicator Dominance Test worksheet: <br /> Tree Stratum (Plot size: ) %Cover Species? Status Number of Dominant Species <br /> 1. That Are OBL, FACW,or FAC <br /> 2 (excluding FAC—): 0 (A) <br /> 3. Total Number of Dominant <br /> 4 Species Across All Strata: 2 (B) <br /> 0 =Total Cover Percent of Dominant Species <br /> Sapling/Shrub Stratum (Plot size: ) That Are OBL, FACW,or FAC: 0% (A/B) <br /> 1. <br /> Prevalence Index worksheet: <br /> 2. <br /> Total%Cover of: Multiply by. <br /> 3. <br /> 4 OBL species x 1 = <br /> 5 FACW species x 2= <br /> 0 =Total Cover FAC species 30 x 3= 90 <br /> Herb Stratum (Plot size: ) FACU species 40 x q= 160 <br /> 1 Thinopyrum intermedium 30 Y UPL UPL species 30 x 5= 150 <br /> 2 Latuca serriola 30 Y FAC Column Totals. 100 (A) 400 (B) <br /> 3 Salsola kale 15 N FACU <br /> q Achnatherum hymenoides 15 N FACU Prevalence Index =B/A= 4 0 <br /> Hydrophytic Vegetation Indicators: <br /> 5 Ambrosia psilostachya 10 N FACU <br /> 6. 1 -Rapid Test for Hydrophytic Vegetation <br /> 2-Dominance Test is>50% <br /> 7. <br /> 3-Prevalence Index is<_3.0' <br /> 8. <br /> 4-Morphological Adaptations'(Provide supporting <br /> 9 data in Remarks or on a separate sheet) <br /> 10. _ Problematic Hydrophytic Vegetation' (Explain) <br /> 100 =Total Cover <br /> Woody Vine Stratum (Plot size: ) 'Indicators of hydric soil and wetland hydrology must <br /> 1 be present, unless disturbed or problematic. <br /> 2. Hydrophytic <br /> =Total Cover Vegetation <br /> %Bare Ground in Herb Stratum 0 Present? Yes No ✓ <br /> Remarks: <br /> Does not meet the criteria for hydrophytic vegetation. <br /> US Army Corps of Engineers Great Plains—Version 2.0 <br />