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United States Department of Agriculture - Prepared in cooperation with Oregon Agricultural Experiment Station - For sale by the Supt. of Docs., U.S. Govt. Print. Off.], Washington, 1974. Paper covers, 130 pages illustrations, 56 folded color maps.
In very good condition with light bumping and creasing to edges and light overall scuffing and soiling to covers. Binding tight. Pages clean and unmarked. [From Inside front cover] This soil survey contains information that can be applied in managing farms and woodlands; in selecting sites for roads, ponds, buildings, and other structures, and in judging the suitability of tracts of land for farming, industry, and recreation. Locating Soils: All the soils of the Yamhill Area are shown on the detailed map at the back of this publication. This map consists of many sheets made from aerial photographs. Each sheet is numbered to correspond with a number on the Index to Map Sheets. On each sheet of the detailed map, soil areas are outlined and are identified by symbols. All areas marked with the same symbol are the same kind of soil. The soil symbol is inside the area if there is enough room; otherwise, it is outside and a pointer shows where the symbol belongs. Finding and Using Information : The "Guide to Mapping Units" can be used to find information. This guide lists all the soils of the survey area in alphabetic order by map symbol and gives the capability classification of each. It also shows the page where each soil is described and the page for the woodland group and capability unit in which the soil has been placed . . . Contents include: How this survey was made; General Soil Map; Descriptions of the soils: Use and management of the soils; Formation and classification of the soils: Laboratory data; General nature of the area; Literature cited; Glossary