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Rifle Gravel Pit #1 January 2021 (Amendment to File No. M-2020-008) <br /> 10.0 Exhibit I — Soils Information <br /> 10.1 Topsoil Present in Affected Land (Mining Operations) <br /> The soils within the subject parcel are mapped by NRCS as soil units: <br /> • 27 — Halaquepts, nearly level: <br /> Typical profile: <br /> H1 — 0 to 8 inches: clay loam <br /> H2 — 8 to 24 inches: loam <br /> H3 — 24 to 60 inches: stratified very gravelly cobbly sand <br /> • 40 — Kim loam, 3 to 6% slopes <br /> Typical profile: <br /> H1 — 0 to 17 inches: loam <br /> H2 — 17 to 60 inches: loam <br /> • 49 — Olney loam, 1 to 3% slopes <br /> Typical profile: <br /> H1 — 0 to 12 inches: loam <br /> H2 — 12 to 33 inches: sandy clay loam <br /> H3 — 33 to 43 inches: gravelly sandy clay loam <br /> H4 —43 to 60 inches: very gravelly sandy loam <br /> • 72 —Wann sandy loam, 1 to 3% slopes <br /> Typical profile: <br /> H1 — 0 to 8 inches: sandy loam <br /> H2 — 8 to 60 inches: fine sandy loam, sandy loam, coarse sandy loam <br /> Exhibit I (Figure 17), Soils in Project Area Map, depicts this soil information. <br /> According to the USDA NRCS Web Soil Survey, most of the soil map units in the permit <br /> area are ranked as fair gravel sources and one soil unit (Olney loam) is ranged a poor. All <br /> the soils except the Kim loam is rated as fair condition for sand sources. Approximately 50% <br /> of the permit area has soil units that are rated as fair to good for reclamation material. <br /> Where/when applicable, the top 4 - 6 inches of topsoil will be salvaged and stored for later <br /> reclamation uses. <br /> 43 <br />