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temperature is 52.7° F. Frost free days range from 144 to 179 days of the year (USDA -NRCS, <br />2003). <br />The permit area consists of 926.06 acres. The Morgan Property consists of 110 acres in the <br />southwest portion of the site (Figure 2). <br />3.0 Previous Soil Surveys <br />The soils on the Morgan Property have been mapped multiple times during the past 25 years. <br />Soil mapping completed on the Morgan Property has been conducted for multiple purposes. <br />These completed soils maps include the following: <br />3.1. USDA -NRCS Soil Survey <br />The detailed soil maps in this survey follow the general information about the survey area. This <br />data base consists of a soils map at a scale of I to 250,000 and descriptions of groups of <br />associated soils. It replaces the general soil map published in older soil surveys. The map and the <br />data base can be used for multicounty planning, and map output can be tailored for a specific <br />use. <br />The San Miguel Soil Survey was made to provide information about the soils and miscellaneous <br />areas in the survey area. The information includes a description of the soils and miscellaneous <br />areas, their location and a discussion of their suitability, limitations, and management for <br />specified uses. Soil scientists observed the steepness, length, and shape of the slopes; the general <br />pattern of drainage; the kinds of crops and native plants; and the kinds of bedrock. The soils and <br />miscellaneous areas in the survey area are in an orderly pattern that is related to the geology, <br />landforms, relief, climate, and natural vegetation of the area. Each kind of soil and miscellaneous <br />area is associated with a particular kind of landform or with a segment of the landform. By <br />observing the soils and miscellaneous areas in the survey area and relating their position to <br />specific segments of the landform, a soil scientist develops a concept or model of how they were <br />formed. Thus, during mapping, this model enables the soil scientist to predict with a considerable <br />degree of accuracy the kind of soil or miscellaneous area at a specific location on the landscape. <br />Commonly, individual soils on the landscape merge from one soil into another as their <br />characteristics gradually change. To construct a soil map, soil scientists must delineate <br />boundaries between the soils. They can observe only a limited number of soil profiles. <br />Nevertheless, these observations, supplemented by an understanding of the soil- vegetation- <br />landscape relationship, are sufficient to verify predictions of the kinds of soil in an area and to <br />determine the general boundaries. <br />Morgan Property Soil Survey Page 3 <br />