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2021-06-03_PERMIT FILE - M2021021
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2021-06-03_PERMIT FILE - M2021021
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Last modified
1/26/2025 6:01:42 AM
Creation date
6/9/2021 6:33:45 AM
Metadata
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Template:
DRMS Permit Index
Permit No
M2021021
IBM Index Class Name
PERMIT FILE
Doc Date
6/3/2021
Doc Name
Adequacy Review Response
From
IHC Scott
To
DRMS
Email Name
ACY
Media Type
D
Archive
No
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Rifle Gravel Pit #1 June 2021 <br /> 11.0 Exhibit J — Vegetation Information <br /> Figure 5, Exhibit C3 depicts the location and types of vegetation at the mining site. Figure <br /> 6 through Figure 8 show photos from the property. <br /> 11.1 Existing Vegetation Communities <br /> The existing vegetation found on the Rifle Gravel Pit property consists of three major <br /> communities: upland pastures, herbaceous emergent wetlands, and riparian woodland. <br /> Dominant species that typify each community are listed in Section 4.4 for additional <br /> information. The entire property supports generally continuous ground coverage of>80% <br /> throughout, and standing biomass and productivity are relatively high for the surrounding <br /> region. <br /> Noxious weeds observed at the property include cheatgrass (Bromus tectorum), tamarisk <br /> (Tamarix chinensis), Russian olive (Elaeagnus angustifolia), chicory (Cichorium intybus), <br /> halogeton (Halogeton glomeratus), Russian knapweed (Acroptilon repens), and bulbous <br /> bluegrass (Poa bulboua). The weed species constitute a significant portion of the vegetation <br /> in upland pasture areas within the property, but generally were not observed to form <br /> monotypic stands or to present an unusual risk of infestation. The weed component and <br /> prevalence on the property is typical of grazed pasturelands in the surrounding area. <br /> A comprehensive noxious weed survey has not been completed for the property, and it is <br /> likely that other common weeds in the surrounding area would be found in a dedicated <br /> search, including hoary cress (Cardaria draba), field bindweed (Convolvulus arvensis), <br /> common mullein (Verbascum thapsus) and several thistle species. A copy of the Noxious <br /> Weed Report is included in Attachment C. <br /> 11.2 Post Vegetation Land Use <br /> After reclamation, land use would revert the non-pond areas irrigated pastureland. See <br /> Figure 13 Exhibit E1 and Figure 14 Exhibit E2. <br /> The existing woody riparian vegetation would be largely eliminated from the parcel. Shrubby <br /> ruderal species such as rabbitbrush and greasewood would re-establish quickly, but slow- <br /> growing species such as cottonwood and sagebrush would not regain their current level of <br /> occurrence without extensive restoration planting and maintenance. <br /> 49 <br />
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