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San Joaquin (soil) San Joaquin is an officially designated state insignia, the state soil of the U.S. state of California . The California Central Valley has more than 500,000 acres (2,000 km 2) of San Joaquin soils, named for the south end of that valley. This series is the oldest continuously recognized soil series within the state.
A state soil is a soil that has special significance to a particular state. Each state in the United States has selected a state soil, twenty of which have been legislatively established. These official state soils share the same level of distinction as official state flowers and birds. Also, representative soils have been selected for Puerto ...
cdtfa .ca .gov. The California Department of Tax and Fee Administration (CDTFA) is the public agency charged with assessing and collecting sales and use taxes, as well as a variety of excise fees and taxes, for the U.S. state of California. The department has several other ancillary functions, such as ensuring that sellers comply with permit ...
A taxonomy is an arrangement in a systematic manner; the USDA soil taxonomy has six levels of classification. They are, from most general to specific: order, suborder, great group, subgroup, family and series. Soil properties that can be measured quantitatively are used in this classification system – they include: depth, moisture ...
Clay is a type of fine-grained natural soil material containing clay minerals [1] (hydrous aluminium phyllosilicates, e.g. kaolinite, Al 2 Si 2 O 5 4). Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impurities, such as a reddish or brownish colour from small amounts of iron oxide .
Caliche forms where annual precipitation is less than 65 centimeters (26 in) per year and the mean annual temperature exceeds 5 °C (41 °F). Higher rainfall leaches excess calcium completely from the soil, while in very arid climates, rainfall is inadequate to leach calcium at all and only thin surface layers of calcite are formed.
The California Department of Real Estate ( DRE) is a California state agency focused on safeguarding and promoting the public interest in real estate matters through licensure, regulation, education, and enforcement. Employees headquartered in Sacramento and in district offices in Oakland, Fresno, Los Angeles, and San Diego carry out the DRE's ...
Soil types by clay, silt and sand composition as used by the United States Department of Agriculture. Loam (in geology and soil science) is soil composed mostly of sand (particle size > 63 micrometres (0.0025 in)), silt (particle size > 2 micrometres (7.9 × 10 −5 in)), and a smaller amount of clay (particle size < 2 micrometres (7.9 × 10 −5 in)).