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H <br />:■ U <br />J »* <br />»« <br />!• . <br />t ! <br />* <br />PrcliminuiT Soil, ojid IVetlaml Evaluation <br />i’a inters Creek Estaiw in City of Orono m <br />Medium <br />Red <br />Medium <br />Red <br />Dark <br />Red <br />Brown <br />provided to facilitate locating the soil types on the detailed soil <br />map provided with this report. <br />1. Erin loam: <br />This is a deep, well-drained, moderately fine textured soil that <br />formed in calcareous shaly till. The soil is found on smooth, <br />irregularly shaped hills, lliere are stones and boulders present <br />in this soil. The native vegetation was mixed hardwood forest. <br />Several slope phases are mapped. Each of the slope phases is <br />discussed separately. <br />a). Erin loam - 2 to 6 percent slope: <br />ITie map symbol for this soil is EnB and the map color is <br />medium red. This is a gently undulating soil which occurs <br />on irregular hillsides and knolls. The soil is well-drained. <br />The rolling slopes offer good building sites with a variety <br />of scenic views. Soil strength is adequate. Shrink-swell <br />hazard is moderate. Due to the clay content of this soil the <br />infiltration rate is very slow. <br />b). Erin loam - 6 to 12 percent slope: <br />The map symbol for this soil is EnC and the map color is medium <br />red. This is a rolling soil occurring on hillsides and knolls. <br />The soil is generally never saturated but sidehill seeps and <br />wet spots near the base of slopes can be expected to persist <br />for a few weeks following a wet period. Soil strength is <br />adequate. Shrink-swell hazard is moderate. Due to the clay <br />content of this soil the infiltration rate is very slow. <br />c). Erin loam - 12 to 18 percent slope: <br />Tly nap sym^l for this soil is EnD and the map color is dark <br />r^. This is a moderately steep soil occupying areas on hill­ <br />sides and knolls, llie soil is never saturated but seeps may <br />break out on sidehills during wet seasons. The infiltration <br />rate is very slow. Erosion is a hazard when vegetation is re­ <br />moved. Shrink-swell potential is moderate. The soil is clayey <br />and is sticky when wet and hard when dry. <br />d). Erin loam - 18 to 24 percent slope: <br />The map symbol for this soil is EnE and the map color is brown. <br />This is a steep soil occupying areas on hillsides. The soil <br />never becomes saturated except on the lower part of the sidehills <br />where seepage is not uncommon during rainy seasons. The very <br />steep slope is a constraint to most urban development. Erosion <br />is a hazard if the natural vegetation is removed. The infiltra­ <br />tion rate of this soil is very slow. <br />'4 <br />I <br />t <br />r J <br />' i <br />I <br />‘^i <br />■ <br />ilTir innniil-<tft-iri"i-Tri1