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US Army Corps of Engineers Great Plains – Version 2.0 <br />WETLAND DETERMINATION DATA FORM – Great Plains Region <br /> <br />Project/Site: P125 Gravel Mine City/County: Weld County Sampling Date: 7/12/2024 <br />Applicant/Owner: Raptor Materials State: CO Sampling Point: DP1 <br />Investigator(s): Marie Russo & Ashlee Caruana Section, Township, Range: Section 29, T3N, R67W; 6th PM <br />Landform (hillslope, terrace, etc.) Swale Local relief (concave, convex, none): Concave Slope (%): 0 % <br />Subregion (LRR): Western Great Plains Range & Irrigated Region Lat: 40.199385 Long: 104.910828 Datum: NAD83 <br />Soil Map Unit Name: Aquolls and Aquents, gravelly substratum NWI Classification: None <br />Are climate/hydrologic conditions on the site typical for this time of year? Yes No (If no, explain in Remarks) <br /> <br /> Vegetation Soil Hydrology Are “Normal Circumstances” present? Yes No <br />Significantly Disturbed? <br />(If needed, explain any answers in Remarks) Naturally Problematic? <br />SUMMARY OF FINDINGS – Attach site map showing sampling point locations, transects, important features, etc. <br /> Yes No Remarks: Wetland data point. <br />Hydrophytic Vegetation Present? <br />Hydric Soil Present? <br />Wetland Hydrology Present? <br />Is the Sampled Area within a Wetland? <br />VEGETATION – Use scientific names of plants <br />Tree Stratum (Plot size: 30 ft.) <br />Absolute <br />% Cover <br />Dominant <br />Species? <br />Indicator <br />Status <br />Dominance Test Worksheet: <br />Number of Dominant Species that <br />are OBL, FACW, or FAC <br />(excluding FAC-): (A) <br />Total Number of Dominant <br />Species Across All Strata: (B) <br />Percent of Dominant Species that <br />are OBL, FACW, or FAC: (A/B) <br /> <br />1. % <br />2. % <br />3. % <br />4. % <br /> 0 % = Total Cover <br />Sapling/Shrub Stratum (Plot size: 15 ft.) <br />1. % <br />2. % Prevalence Index Worksheet: <br />Total % Cover of: Multiply by: <br />OBL species % x 1 = 0 <br />FACW species % x 2 = 0 <br />FAC species % x 3 = 0 <br />FACU species % x 4 = 0 <br />UPL species % x 5 = 0 <br />Column Totals: 0 % (A) 0 (B) <br />Prevalence Index = B/A = <br /> <br />3. % <br />4. % <br />5. % <br /> 0 % = Total Cover <br />Herb Stratum (Plot size: 5 ft.) <br />1. Persicaria pensylvanica 35 % Y FACW <br />2. Schoenoplectus pungens 15 % Y OBL <br />3. Rumex crispus 3 % N FAC <br />4. Chenopodium album 2 % N FACU <br />5. Phleum pratense 7 % N FACU Hydrophytic Vegetation Indicators: <br /> 1 Rapid Test for Hydrophytic Vegetation <br /> 2 Dominance Test is >50% <br /> 3 Prevalence Index is ≤3.01 <br /> 4 Morphological Adaptations1 (Provide <br />supporting data in Remarks or on a separate sheet) <br /> Problematic Hydrophytic Vegetation1 (explain) <br />1 Indicators of hydric soil and wetland hydrology <br />must be present, unless disturbed or problematic <br />6. % <br />7. % <br />8. % <br />9. % <br />10. % <br /> 62 % = Total Cover <br />Woody Vine Stratum (Plot size: 30 ft.) <br />1. % <br />2. % <br /> 0 % = Total Cover <br /> Hydrophytic Vegetation Present? Yes No Bare Ground in Herb Stratum 38 % <br />Remarks: The rapid test for hydrophytic vegetation is met.