2019-07-09_REVISION - M2004044 (35)

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WETLAND DETERMINATION DATA FORM—Great Plains Region ProjecUsite: Tucson South Mine City/County. Brighton/Adams Sampling Date: 07/07/2017 Applicant/Owner: Aggregate Industries State: CO Sampling Point: TM-AI4-WTC Investigator(s): C. Ansari, J. Heule Section,Township, Range- 1, T01S, R67W Landform(hillslope,terrace,etc.). Valley floor Local relief(concave,convex, noney concave Slope(%) 3 Subregion(LRR)- Western Great Plains (G) Lat: 39.992437 Long. -104.842122 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 Sod 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 Hydric Soil Present? Yes X No Wetland Hydrology Present? Yes X No within a Wetland? Yes X No Remarks Adjacent(north) to Wetland Al2. This is a man-made feature with no clear connection to the Brighton Ditch to the west. 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. None That Are OBL, FACW,or FAC 2 (excluding FAC-): 1 (A) 3. Total Number of Dominant q Species Across All Strata- 1 (B) 0 =Total Cover Percent of Dominant Species Sapling/Shrub Stratum (Plot size: 15' ) That Are OBL, FACW,or FAC. 100 (A/B) 1. None 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 Typha angustifolia 50 Y OBL UPL species x 5= 2. Lactuca seriolla 5 N FAC Column Totals. (A) (B) 3. Schoenoplectus acutus 10 N OBL q. Hordeum jubatum 10 N FACW Prevalence Index =B/A= 5 Conyza canadensis 5 N FACU Hydrophytic Vegetation Indicators: 6. Veronica americana 5 N OBL — 1 -Rapid Test for Hydrophytic Vegetation 7. Eleocharis palustris 5 N OBL X 2-Dominance Test is>50% 8. Helianthus annuus 5 N FACU — 3-Prevalence Index is<_3.0' 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